Tektronix Sentry User manual

xx
Sentry Series
Video Quality Monitors
ZZZ
User Manual
*P077320202*
077-3202-02

Sentry Series Video Quality Monitor
UserManual
Supports software version 10.0

Sentry User Manual
Sentry User Manual
March 2017

Sentry User Manual 1
March 2017
SENTRY SERIES VIDEO QUALITY MONITOR
User Manual: Cable Operations
© 2004-2017 Tektronix, Inc.
All rights reserved.
Printed in U.S.A.
Tektronix, Inc.
14150 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
Federal copyright law protects this publication. No part of this publication may be copied or distributed, transmitted,
transcribed, stored in a retrieval system, or translated into any human or computer language in any form or by any means
(electronic, mechanical, magnetic, manual, or otherwise); or disclosed to third parties without the express written
permission of Tektronix, Inc.
Tektronix makes no representation or warranties with respect to the contents hereof and specifically disclaims any
warranties, merchantability, or fitness for any particular purpose. Furthermore, Tektronix reserves the right to revise this
publication and to make changes from time to time in the contents hereof without obligation of Tektronix to notify any
person of such revisions or changes.

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March 2017
Trademarks
Tektronix, the Tektronix logo, and Sentry are trademarks of Tektronix, Inc.
Contacting Tektronix
Tektronix, Inc.
14150 SW Karl Braun Drive
P.O. Box 500
Beaverton, OR 97077
USA
For technical support:
Sentry Technical support is available on Business Days from 6:00 AM to 5:00 PM Pacific Time and 9:00 AM
to 5:00 PM Indian Standard Time on the following numbers:
US/Canada toll-free 1-844-219-5329
India toll-free 1800-3000 4835
Russia toll-free 810800-22554411
United Kingdom 44 1344 39 2541
Europe* toll-free 00800-22554411
*Austria, Belgium, France, Germany, Ireland, Italy, Netherlands, Spain, Sweden, Switzerland, UK
Worldwide, please email [email protected]
About This Document
Audience
This user manual is intended for service providers who use Tektronix Sentry, Sentry Verify, Sentry Assure or
Sentry ABR for monitoring, historical reporting, and alerting from MPEG-2, H.264 AVC, MPEG-4 part 10,
and VC-1 transport streams. We assume that you understand the concepts and tools used in a head-end
environment. We assume that you are familiar with basic computer operations such as click, drag and drop, and
that you are also familiar with the operation of an internet browser.
Purpose
The Tektronix Sentry Series User Manual introduces you to the Sentry, Sentry Verify, Sentry Assure and
Sentry ABR Video Quality Monitors, and describes in detail Sentry's features.
This user manual shows you how to configure, control and use Sentry, Sentry Verify, Sentry Assure and Sentry
ABR. Please note that some of the features and applications described in this manual may not apply to all
products. Refer to the Sentry Family Product Matrix for more information.
Screen Shot Note
While all screen shots in this document are accurate and truthful representations of the product, some may have
been edited to remove information that could pose a security risk.

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Table of Contents
Sentry Family Product Matrix.......................................................................................................................................... 11
Preface................................................................................................................................................................................. 13
Who Should Use This Manual........................................................................................................................................... 13
How to Get Help................................................................................................................................................................ 13
Introduction........................................................................................................................................................................ 15
What is Tektronix Sentry?................................................................................................................................................. 15
The Engine..................................................................................................................................................................... 15
Internal database......................................................................................................................................................... 15
What does Tektronix Sentry do?........................................................................................................................................ 17
Monitoring ..................................................................................................................................................................... 17
Reporting ....................................................................................................................................................................... 17
Alerting.......................................................................................................................................................................... 18
Getting Started ................................................................................................................................................................... 19
Front Panel Functions (2016 to present models only)...................................................................................................... 19
IP address on the front panel.......................................................................................................................................... 19
Navigation buttons......................................................................................................................................................... 20
USB ports....................................................................................................................................................................... 20
Status LEDs ................................................................................................................................................................... 20
Power-off procedure ...................................................................................................................................................... 21
Front Panel Functions (2009 to 2016 models only).......................................................................................................... 21
IP address on the front panel.......................................................................................................................................... 22
Manual power down from front panel............................................................................................................................ 22
LED Brightness.............................................................................................................................................................. 22
Interface Components ....................................................................................................................................................... 23
Main Page Menu............................................................................................................................................................ 23
Login Info ...................................................................................................................................................................... 23
Page Title Bar ................................................................................................................................................................ 24
Thumbnails .................................................................................................................................................................... 24
Group Tabs and Input Ports........................................................................................................................................... 24
Change a Port Assignment............................................................................................................................................. 26
ASI Port tab ................................................................................................................................................................ 26
Basic Operations............................................................................................................................................................... 27
Bitrate Violation................................................................................................................................................................ 28
Reports................................................................................................................................................................................ 29
Programs........................................................................................................................................................................... 30
Current Status................................................................................................................................................................. 30
To Filter the Ports on the Report.................................................................................................................................... 32
Filter Sentrys licensed with VLAN support................................................................................................................ 33
Program Status............................................................................................................................................................... 34

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ASI Models................................................................................................................................................................. 37
Program Search and display........................................................................................................................................ 38
Column Sort By arrows .............................................................................................................................................. 39
Bell Icon for Alert creation......................................................................................................................................... 39
Configure Report History ........................................................................................................................................... 40
Configure Provider Name........................................................................................................................................... 42
Other Configurable Items ........................................................................................................................................... 43
Program Bandwidth Graph............................................................................................................................................... 44
Program Details Screen.................................................................................................................................................. 44
Access Program Details.............................................................................................................................................. 44
Color Key.................................................................................................................................................................... 45
Error Seconds.............................................................................................................................................................. 46
PID Type descriptor.................................................................................................................................................... 46
Refresh Thumbnail ..................................................................................................................................................... 47
Capture button ............................................................................................................................................................ 47
Stream button.............................................................................................................................................................. 47
Detailed Graph View.................................................................................................................................................. 50
Other Program information......................................................................................................................................... 51
Quality of Experience Details..................................................................................................................................... 52
Access the QoE Details............................................................................................................................................... 52
Average Video QoE from the Program Status Page................................................................................................... 53
Scoring QoE................................................................................................................................................................ 54
Reason Codes Definitions........................................................................................................................................... 56
Perceptual Video Quality (eMOS)................................................................................................................................. 57
Over-compression Artifacts........................................................................................................................................... 58
Group of Pictures (GOP) Length Reporting (Group of Pictures) ............................................................................... 59
Audio Volume Level Details ......................................................................................................................................... 60
Functionality............................................................................................................................................................... 60
Access Audio Level Details........................................................................................................................................ 60
Graphing..................................................................................................................................................................... 61
Thumbnail Timeline....................................................................................................................................................... 62
Discontinuity Details...................................................................................................................................................... 63
Alert Details................................................................................................................................................................... 64
PCR Details.................................................................................................................................................................... 65
Data Detect ....................................................................................................................................................................... 67
Report Types.................................................................................................................................................................. 67
Copy Generation Management System (CGMS)........................................................................................................ 67
Closed Caption Data................................................................................................................................................... 68
Other Data................................................................................................................................................................... 69
Generate a Report .......................................................................................................................................................... 70
Ad Cue Info (Digital Ad Insertion).................................................................................................................................... 72
Access Ad Cue Info ....................................................................................................................................................... 72
Reading the Ad Cue Info report..................................................................................................................................... 74
Ad Splice Command Types........................................................................................................................................ 77
Drill down/Zoom In.................................................................................................................................................... 78
Blackout Detection ..................................................................................................................................................... 78
Repeated commands................................................................................................................................................... 79
Audio Level Graph ..................................................................................................................................................... 79
Program Statistics (Report and Export)............................................................................................................................ 80
Access Program Statistics:.......................................................................................................................................... 80
Tab View........................................................................................................................................................................ 80

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Create a Program Statistics Report ............................................................................................................................. 81
History tab .................................................................................................................................................................. 84
Port Statistics.................................................................................................................................................................... 85
Summary tab.................................................................................................................................................................. 85
Create a Port Statistics Report........................................................................................................................................ 86
Program Groups ............................................................................................................................................................... 88
Using Program Groups................................................................................................................................................... 88
Program Groups Bandwidth........................................................................................................................................... 90
Access Program Groups Bandwidth........................................................................................................................... 91
Dynamic Program Groups ............................................................................................................................................. 93
Thumbnail Wall View........................................................................................................................................................ 97
Transport........................................................................................................................................................................... 98
Transport Status............................................................................................................................................................. 98
Transport Bitrate History.......................................................................................................................................... 100
PSIP.......................................................................................................................................................................... 102
TR101/290 Status......................................................................................................................................................... 105
Access TR101/290 Status......................................................................................................................................... 105
Show TR101/290 Priorities....................................................................................................................................... 107
IP Stats......................................................................................................................................................................... 108
Functionality............................................................................................................................................................. 108
The Leaky Bucket Buffer Analogy........................................................................................................................... 108
Access IP Stats.......................................................................................................................................................... 110
IP Stats Welcome Page............................................................................................................................................. 111
Graphing Ports.......................................................................................................................................................... 112
Zoom in on a Graph.................................................................................................................................................. 113
Create IP Stats Alerts for Arrival Interval................................................................................................................. 113
Create Alerts for Delay Factor.................................................................................................................................. 116
IP Stats Monitoring Notes......................................................................................................................................... 116
Port Failover History...................................................................................................................................................... 117
Carousel Status ............................................................................................................................................................... 118
OCAP Carousel............................................................................................................................................................ 118
Access OCAP Carousel............................................................................................................................................ 119
OCAP Summary tab ................................................................................................................................................. 120
OCAP Files tab......................................................................................................................................................... 121
Files tab..................................................................................................................................................................... 123
Applications tab........................................................................................................................................................ 126
Events tab.................................................................................................................................................................. 127
Set Alerts in OCAP Status........................................................................................................................................ 129
Review OCAP Alerts in Alert History...................................................................................................................... 131
BFS Status.................................................................................................................................................................... 133
Monitoring the S-A Broadcast File System (BFS) ................................................................................................... 133
BFS Overview.............................................................................................................................................................. 133
BFS Mapping............................................................................................................................................................ 133
Access BFS Status.................................................................................................................................................... 135
Summary tab............................................................................................................................................................. 136
Detail tab................................................................................................................................................................... 137
Drill Down to BFS Detail View................................................................................................................................ 139
EBIF Status.................................................................................................................................................................. 141
Access EBIF Status................................................................................................................................................... 141
Summary tab............................................................................................................................................................. 141

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Detail tab................................................................................................................................................................... 142
Viewing Program Detail from EBIF Status.............................................................................................................. 143
Applications tab........................................................................................................................................................ 145
Events tab.................................................................................................................................................................. 147
Alerts............................................................................................................................................................................... 148
Alert History ................................................................................................................................................................ 148
Report Export............................................................................................................................................................ 150
Alert Analysis .............................................................................................................................................................. 153
Access Alerts Analysis ............................................................................................................................................. 153
Alert Analysis Summary Screen............................................................................................................................... 154
Report Navigation tabs and New Report icons......................................................................................................... 155
Counts tab................................................................................................................................................................. 155
Trends tab ................................................................................................................................................................. 159
Trend Details tab....................................................................................................................................................... 160
Distributions tab........................................................................................................................................................ 162
History tab ................................................................................................................................................................ 163
Program Alert Definitions Report................................................................................................................................ 164
Create/Edit tab .......................................................................................................................................................... 165
History tab ................................................................................................................................................................ 168
Configure........................................................................................................................................................................... 170
Configure Alerts.............................................................................................................................................................. 171
How Sentry Handles Alerts.......................................................................................................................................... 171
Create an Alert............................................................................................................................................................. 172
Create Alerts Step by Step........................................................................................................................................ 175
View Created Alerts.................................................................................................................................................. 179
Delete Alert............................................................................................................................................................... 179
Modify an Alert ........................................................................................................................................................ 179
Access Alerts Summary............................................................................................................................................... 180
Scrambled Alerts.......................................................................................................................................................... 182
Transport tab................................................................................................................................................................ 184
Types of Transport Alerts......................................................................................................................................... 185
PID Alerts................................................................................................................................................................. 187
Any PID on a Port..................................................................................................................................................... 187
Table on a Port.......................................................................................................................................................... 188
Table on a PID.......................................................................................................................................................... 188
PMT.......................................................................................................................................................................... 188
DSM-CC on a Port.................................................................................................................................................... 188
DSM-CC................................................................................................................................................................... 190
Port Alerts................................................................................................................................................................. 190
Sample Transport Alerts .............................................................................................................................................. 191
Create Audio Level Alerts........................................................................................................................................ 191
Create a Transport NULL PID Bitrate Alert................................................................................................................ 195
Create Mean Audio Level Alerts ................................................................................................................................. 196
Create Audio Dialnorm Alert....................................................................................................................................... 197
Buffer overrun/underrun detection............................................................................................................................... 198
Configure Buffer overrun/underrun detection .......................................................................................................... 199
BFS tab ..................................................................................................................................................................... 201
Types of BFS Alerts..................................................................................................................................................... 202
BFS Source............................................................................................................................................................... 202
BFS Carousel............................................................................................................................................................ 202
BFS File.................................................................................................................................................................... 202

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Types of OCAP Alerts................................................................................................................................................. 203
File Alerts ................................................................................................................................................................. 203
Folder Alerts............................................................................................................................................................. 203
Extension Alerts........................................................................................................................................................ 203
Configure Program Availability Definitions................................................................................................................ 204
Create Program Template Alerts.................................................................................................................................. 207
Template Alerts............................................................................................................................................................ 207
Create an alert from a Template using a Program Alert............................................................................................... 212
Create an alert template without a Program Group...................................................................................................... 215
Program Groups ............................................................................................................................................................. 217
Create Program Groups................................................................................................................................................ 217
Access Program Groups............................................................................................................................................ 217
Groups Summary tab................................................................................................................................................ 218
Add unlisted programs.............................................................................................................................................. 221
Configure Program Mappings ........................................................................................................................................ 223
Add a New Mapping.................................................................................................................................................... 223
Delete a Mapping......................................................................................................................................................... 226
Modify a Mapping ....................................................................................................................................................... 226
Configure Port Names..................................................................................................................................................... 227
Configure BFS Settings................................................................................................................................................... 228
Configure Triggered Stream Captures............................................................................................................................ 229
Access Alert Stream Captures .................................................................................................................................. 229
Create Alert Stream Captures (When none currently exist)...................................................................................... 230
Deactivate or Delete a Stream Capture (when one previously exists) ...................................................................... 237
Retrieve Captured Files ............................................................................................................................................ 238
Delete Captured Files................................................................................................................................................ 238
Defaults tab............................................................................................................................................................... 239
Configure Triggered Stream Captures(via Nexidia Comply™)...................................................................................... 240
Configure the Nexidia Server....................................................................................................................................... 240
Create a Nexidia Comply Profile.............................................................................................................................. 241
Create Caption Profile.................................................................................................................................................. 242
Choose a Program to Verify......................................................................................................................................... 242
Review Job History...................................................................................................................................................... 244
Review Closed Caption Verification Results............................................................................................................... 246
Configure Schedules........................................................................................................................................................ 249
Create a Daily schedule................................................................................................................................................ 249
Create a Weekly Schedule ........................................................................................................................................... 252
Dashboard Graphs.......................................................................................................................................................... 254
Create a Dashboard Graph........................................................................................................................................... 255
Configure MPEG Input Settings...................................................................................................................................... 256
IGMP v3 SSM Support................................................................................................................................................ 256
Access MPEG Input System Settings....................................................................................................................... 256
Set SSM ....................................................................................................................................................................... 258
Backup Multicast Settings ........................................................................................................................................... 259
Multicast Stream Collision Errors (Multiple Sources Detected on Input Ports)....................................................... 261
Sentry with 2nd MPEG Input Option Installed ............................................................................................................. 262
Sentry with VLAN Support Enabled ........................................................................................................................... 263
Configure VLAN monitoring option ........................................................................................................................ 263

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Assign/Configure Ports on a VLAN......................................................................................................................... 265
Move a Port between VLANs................................................................................................................................... 265
Reviewing Port/VLAN Assignments and VLAN Status .......................................................................................... 266
Configure System Preferences ........................................................................................................................................ 267
Configure TR101/290 Settings ........................................................................................................................................ 269
Configure System Settings............................................................................................................................................... 270
Network settings .......................................................................................................................................................... 271
Set the Time................................................................................................................................................................. 272
Set the Locale............................................................................................................................................................... 273
Maintenance Mode....................................................................................................................................................... 274
SSL Settings..................................................................................................................................................................... 275
System Diagnostics.......................................................................................................................................................... 277
Email Diagnostics........................................................................................................................................................ 277
Network connectivity................................................................................................................................................... 277
System Communication............................................................................................................................................... 278
SNMP Trap.................................................................................................................................................................. 278
Health Check................................................................................................................................................................ 279
Configure Import/Export Settings................................................................................................................................... 280
Export tab options........................................................................................................................................................ 282
Import tab options........................................................................................................................................................ 284
Configure Users.............................................................................................................................................................. 285
API Access................................................................................................................................................................... 285
Add a User ................................................................................................................................................................... 285
Delete a User................................................................................................................................................................ 287
Modify a User.............................................................................................................................................................. 288
Configure System Upgrades............................................................................................................................................ 289
Upgrade Procedure....................................................................................................................................................... 289
Upgrade Errors............................................................................................................................................................. 292
Recoverable error...................................................................................................................................................... 292
Error Requiring a Patch ............................................................................................................................................ 292
Uploading the Error Patch File .................................................................................................................................... 293
Upgrade History........................................................................................................................................................... 293
Configure Power Off and Restart Capability.................................................................................................................. 294
Accessing Remote Restart and Power Off................................................................................................................... 294
Power Off a unit:.......................................................................................................................................................... 294
Restart a unit................................................................................................................................................................ 295
Status................................................................................................................................................................................. 297
ASI Status page............................................................................................................................................................ 298
System Status for Sentry with Second MPEG Input Option Installed......................................................................... 298
About................................................................................................................................................................................. 299
Appendix A: Sentry ABR ............................................................................................................................................... 301
Configure: Alerts Summary............................................................................................................................................ 301
Manifest Alerts............................................................................................................................................................. 301
Create a Manifest Alert................................................................................................................................................ 302

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Representation Alerts...................................................................................................................................................... 304
Representation Alerts Definitions................................................................................................................................ 304
Create Representation Alerts........................................................................................................................................ 305
Dynamic Program Groups.............................................................................................................................................. 307
Creating a Static Program Group from Dynamic......................................................................................................... 309
Configure MPEG Input Settings...................................................................................................................................... 310
Administrator Set up Notes.......................................................................................................................................... 310
Reports............................................................................................................................................................................ 312
Program Statistics: ABR Stats ..................................................................................................................................... 312
Create/Edit tab .......................................................................................................................................................... 312
History tab.................................................................................................................................................................... 314
Port Statistics.................................................................................................................................................................. 315
Summary tab................................................................................................................................................................ 315
Create a Port Statistics Report...................................................................................................................................... 316
Media Set Status Report.................................................................................................................................................. 319
Media Set Details......................................................................................................................................................... 321
HTTP Status Codes................................................................................................................................................... 321
Representations Statistics.......................................................................................................................................... 321
Fragment Load Headroom........................................................................................................................................ 322
Fragment Load Time ................................................................................................................................................ 323
Fragment Load Latency............................................................................................................................................ 323
Fragment Load Bitrate.............................................................................................................................................. 324
Fragment Size........................................................................................................................................................... 324
System Status................................................................................................................................................................... 325
Appendix B: Sentry Edge, Edge II, Edge III-S, and Edge III-T ................................................................................. 327
Preface............................................................................................................................................................................ 327
Getting started ................................................................................................................................................................ 328
Product description ...................................................................................................................................................... 328
Sentry Edge RF Monitoring Products....................................................................................................................... 330
Sentry Edge Family Features and benefits................................................................................................................ 330
Sentry Applications................................................................................................................................................... 330
Sentry Edge I Features and benefits.......................................................................................................................... 330
Sentry Edge II Features and benefits ........................................................................................................................ 331
Sentry Edge III-S Features and Benefits................................................................................................................... 331
Sentry Edge III-T Features and Benefits................................................................................................................... 331
Standard and optional accessories .......................................................................................................................... 332
Power cord options ................................................................................................................................................... 332
Configuration............................................................................................................................................................... 333
Recommended steps ................................................................................................................................................. 333
Configure the RF Stats Alerts...................................................................................................................................... 334
Configure the MPEG settings ...................................................................................................................................... 335
Activate an RF input connection............................................................................................................................... 336
To define/edit import settings for an RF configuration............................................................................................. 336
Filter options ................................................................................................................................................................ 338
Update the schedule/import schedule information .................................................................................................... 339
Import a configuration from a CSV file.................................................................................................................... 340
To schedule an import............................................................................................................................................... 341
View/edit RF configuration details ........................................................................................................................... 342

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Change the schedule.................................................................................................................................................. 342
Configure port names for a channel.......................................................................................................................... 343
Configure schedule summary .................................................................................................................................... 344
Create a new schedule............................................................................................................................................... 345
Operating basics ............................................................................................................................................................. 347
Reports......................................................................................................................................................................... 347
Current Status report................................................................................................................................................. 347
Port / channel numbers ............................................................................................................................................. 347
Program Detail report : Tuning information............................................................................................................. 348
Program graph options.............................................................................................................................................. 349
RF Stats........................................................................................................................................................................ 350
Constellation Diagram.............................................................................................................................................. 351
Frequency Domain Graphs .......................................................................................................................................... 353
Status............................................................................................................................................................................ 356
Park a tuner for a set amount of time ....................................................................................................................... 357
To park a tuner (alternate method) .......................................................................................................................... 359
To park a tuner for a set amount of time: ................................................................................................................. 360
Appendix C: Acronyms.................................................................................................................................................... 361
Appendix D: Examples .................................................................................................................................................... 363
Notices ............................................................................................................................................................................... 367
Trademarks ..................................................................................................................................................................... 367

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Sentry Family Product Matrix
This Sentry product manual contains technical information on the Sentry family of video quality monitors.
Information for the Sentry Edge products can be found in Appendix B of this manual.
Some of the features and purchasable options described in this manual are not supported on all of the products.
For a breakdown of features and options by product, please refer to the table below.
Service Sentry (ASI, GigE,
10G)
Sentry
Verify,
Verify 10G
Sentry
Assure Sentry ABR
Sentry Edge
(I - III)
Comprehensive MPEG Quality of Experience (QoE) Monitoring
Video QoE real time monitoring Optional Optional
Video eMOS/PVQ real time monitoring Optional Optional Optional
Audio QoE real-time monitoring Optional Optional
Audio loudness & AC-3 Dialnorm
(ITU-R BS.1770) monitoring Optional Optional
Video freeze detection Optional Optional
Audio Silence detection Optional Optional
Comprehensive MPEG Quality of Service (QoS) Monitoring
Transport Stream QoS Monitoring Optional 
IP (UDP) statistics 
HTTP Statistics 
Closed captioning (708, 608,
SCTE-20), DVB Subtitle,
Teletext reporting Optional 
Error Seconds and Program
Availability Reporting Optional 
GOP length reporting Optional 
Video and Audio PID metadata Optional 
Program/PID discontinuity Optional 
Program/PID/Transport
Stream/Program Group bandwidth
graphing Optional
PCR interval & jitter ASI Only Optional 
MPEG-PSI, DVB-SI, ATSC-PSIP table
detect, bit rate, cycle time Optional 
TR101/290 (priority 1, 2, 3) reporting 
Scalable RF Monitoring (16/64/256
QAM A, B, or C) 

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Service Sentry (ASI, GigE,
10G)
Sentry
Verify,
Verify 10G
Sentry
Assure Sentry ABR Sentry Edge (I - III)
Purchasable Software Options
QoE Monitoring Optional Optional
Carousel monitoring (tru2way / OCAP /
MHP / DSM-CC) Optional Optional Optional Optional Optional
Ad Insertion/Digital Program Insertion Optional Optional Optional Optional
EBIF Monitoring Optional Optional Optional Optional Optional
SA-BFS Monitoring Optional Optional Optional Optional Optional
Perceptual Video Quality (eMOS) on
MPEG-2 & H.264 Optional Optional Optional
Audio Loudness Monitoring (includes
CALM Compliance) Optional Optional
Video & Audio
Video: HD, SD, MPEG-2, MPEG-4
AVC (H.264), VC1 Optional 
Audio: Dolby AC-3, MPEG-1 Layer II,
AAC, HE-AAC, and HE-AAC v2 Optional 
Interfaces
ASI ASI Only
GigE GigE Only 
Dual GigE 
Single-Mode or Multi-Mode LC SFP+ 10G Only 10G Only 10G Only
8VSB & QAM-B Edge Only
QAM A, B, or C Edge II Only
DVB-S2 receiver supports two
channels in QPSK / 8-PSK mode Edge III-S
Only
Single-channel DVB-T2 receiver for
VHF/UHF Edge III-T
Only
RF Measurements: Level, MER, CNR,
Pre-RS BER, Post-FEC Erred Packets Edge II and
Edge III Only
RF Measurements: EVM, Carrier
Offset Edge II Only

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Preface
This user manual describes the Sentry family of video quality monitors and the web browser-based interface.
This manual introduces the components and features, so you can begin using the device.
Who Should Use This Manual
This manual is intended for service providers who use Tektronix Sentry products for monitoring, reporting and
alerting from MPEG transport streams. You should understand the concepts and tools used in a headend
environment. You should also be familiar with basic computer operations such as click, drag and drop, as well
as the operation of a web browser.
How to Get Help
If you purchased a service contract for your Tektronix Sentry products from a distributor or authorized reseller,
contact the technical support staff for that distributor or reseller for assistance.
If you purchased a Tektronix service program, contact Tektronix technical support:
For technical support:
Sentry Technical support is available on Business Days from 6:00 AM to 5:00 PM Pacific Time and 9:00 AM
to 5:00 PM Indian Standard Time on the following numbers:
US/Canada toll-free 1-844-219-5329
India toll-free 1800-3000 4835
Russia toll-free 810800-22554411
United Kingdom 44 1344 39 2541
Europe* toll-free 00800-22554411
*Austria, Belgium, France, Germany, Ireland, Italy, Netherlands, Spain, Sweden, Switzerland, UK
Worldwide, please email [email protected]
Additional information about the Tektronix Sentry family of video quality monitors is available at the
following URL: http://www.tek.com/video_quality_monitors/

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Introduction
What is Tektronix Sentry?
Tektronix Sentry is an MPEG transport stream monitoring device that supports next generation digital services
and traditional program monitoring. Sentry supports MPEG-2, H.264 AVC, MPEG-4 part 10, and VC-1 video
compression standards. The components of Sentry are:
The Engine
Internal database
Sentry supports real-time monitoring through single- and 4-port ASI and Gigabit Ethernet (GigE) input of all
MPEG source streams within the headend or hubs.
Sentry digs deep into the complex and private data residing within the stream, allowing video service providers
to gain insight and solve problems in their digital networks. Sentry’s extensive feature list includes:
•Audio and Video Quality of Experience Scoring System
•Audio Silence and Audio-level Issue Detection
•Detect Black Video, Frozen Video, Tiling/Macroblocking
•Perceptual Video Quality (eMOS)
•Live Thumbnails
•User Triggered and Alert Triggered Stream Captures
•Stream to View
•Historical Reporting and Graphing
•Transport Stream Bandwidth Graphing
•Program Group Bandwidth Graphing
•Carousel Monitoring (SA-BFS, DSM-CC, tru2way™)
•Digital Program Insertion
•24/7 Real-time QoE Monitoring of Entire Channel Lineup
•Detect Intermittent Problems
•Alert Notification and Historical Reporting
•Error Second and Program Availability Reporting
Sentry's video quality monitoring solutions provide unique flexibility to enable you to implement any
combination of monitoring components for any digital application, using the same Sentry hardware.

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Figure 1: Sentry Network Diagram