Nuvico HDoCS DT_E/P User manual

Digital Video Recorder
HDoCS DT_E/P
1

Table of Contents
Chapter 1 Introduction ................................................................................................................................. 14
1.1USB Mouse Operation ................................................................................................................. 15
1.2Input Method Description.............................................................................................................16
Chapter 2 Getting Started.................................................................................................................................... 17
2.1 Starting Up and Shutting Down the DVR..................................................................................... 18
2.2 Using the Wizard for Basic Configuration.................................................................................... 19
Chapter 3 Live View............................................................................................................................................. 20
3.1 Introduction ofLive View................................................................................................................... 20
3.2 Operations in Live View Mode..................................................................................................... 21
3.2.1Using the Mouse in Live View ..................................................................................................21
3.2.2Using an Auxiliary Monitor .................................................................................................23
3.2.3Main/Aux Output Switching ................................................................................................24
3.2.4Quick Setting Toolbar in Live View Mode...........................................................................24
3.3 Channel-zero Encoding................................................................................................................. 25
3.4 Adjusting Live View Settings....................................................................................................... 25
3.5 Manual Video Quality Diagnostics............................................................................................... 26
3.6 User Logout.................................................................................................................................. 26
Chapter 4 PTZ Controls ............................................................................................................................... 27
4.1 Configuring PTZ Settings.............................................................................................................28
4.2 Setting PTZ Presets, Patrols & Patterns.........................................................................................29
4.2.1 Customizing Presets.............................................................................................................29
4.2.2 Calling Presets .....................................................................................................................29
4.2.3 Customizing Patrols............................................................................................................. 30
4.2.4 Calling Patrols......................................................................................................................30
4.2.5 Customizing Patterns ...........................................................................................................31
4.2.6 Calling Patterns....................................................................................................................31
4.2.7 Customizing Linear Scan Limit............................................................................................ 31
4.2.8 Calling Linear Scan..............................................................................................................32
4.2.9 One-touch Park....................................................................................................................32
4.3 PTZ Control Panel........................................................................................................................ 33
Chapter 5 Recording Settings...................................................................................................................... 34
5.1 Configuring Encoding Parameters................................................................................................ 35
5.2 Configuring Record Schedule....................................................................................................... 37
2

5.3 Configuring Motion Detection Record........................................................................................... 38
5.4 Configuring Alarm Triggered Record ............................................................................................ 39
5.5 Manual Record ..............................................................................................................................40
5.6 Configuring Holiday Record..........................................................................................................41
5.7Files Protection..............................................................................................................................42
Chapter 6 Playback........................................................................................................................................44
6.1 Playing Back Record Files.............................................................................................................45
6.1.1 Playing Back by Channel..................................................................................................... 45
6.1.2 Playing Back by Time.................................................................................................................46
6.1.3 Playing Back by Event Search..............................................................................................47
6.1.4 Playing Back by Tag..........................................................................................................................48
6.1.5 Smart Playback ....................................................................................................................50
6.1.6 Playing Back by System Logs.............................................................................................. 51
6.1.7 Playing Back External File...................................................................................................51
6.2 Auxiliary Functions of Playback....................................................................................................52
6.2.1 Playing Back Frame by Frame .............................................................................................52
6.2.2 Smart Search........................................................................................................................52
6.2.3 Digital Zoom........................................................................................................................54
6.2.4 Reverse Playback of Multi-channel...................................................................................... 54
Chapter 7 Backup...........................................................................................................................................55
7.1 Backing up Record Files................................................................................................................ 56
7.1.1 Backing up by Normal Video Search ...................................................................................56
7.1.2 Backing up by Event Search.................................................................................................57
7.1.3 Backing up Video Clips........................................................................................................59
7.2 Managing Backup Devices............................................................................................................ 60
Chapter 8 Alarm Settings.............................................................................................................................. 61
8.1 Setting Motion Detection............................................................................................................... 62
8.2 Setting Sensor Alarms.................................................................................................................... 63
8.3 Detecting Video Loss.....................................................................................................................64
8.4 Detecting Video Tampering..................................................................................................................65
8.5 Setting All-day Video Quality Diagnostics .................................................................................... 66
8.6 Handling Exceptions......................................................................................................................67
8.7 Setting Alarm Response Actions....................................................................................................68
8.8 Triggering or Clearing Alarm Output Manually.............................................................................70
Chapter 9 Network Settings...........................................................................................................................71
9.1 Configuring General Settings.........................................................................................................72
9.2 Configuring Advanced Settings .....................................................................................................73
9.2.1 Configuring PPPoE Settings.................................................................................................73
9.2.2Configuring NTP Server.......................................................................................................74
9.2.3Configuring SNMP ..............................................................................................................75
9.2.4Configuring NAT.......................................................................................................................................76
3

9.2.5Configuring the Remote Alarm Host....................................................................................77
9.2.6Configuring Multicast..........................................................................................................78
9.2.7Configuring RTSP.............................................................................................................................. 78
9.2.8Configuring Server and HTTP Ports ....................................................................................79
9.2.9Configuring HTTPS Port .......................................................................................................79
9.2.10Configuring Email................................................................................................................81
9.2.11Telnet Settings...................................................................................................................... 82
9.3 Checking Network Traffic................................................................................................................... 84
9.4 Configuring Network Detection....................................................................................................85
9.4.1 Testing Network Delay and Packet Loss .............................................................................85
9.4.2 Exporting Network Packet...................................................................................................85
9.4.3 Checking Network Status.....................................................................................................86
9.4.4 Checking Network Statistics ................................................................................................86
Chapter 10 HDD Management..............................................................................................................87
10.1 Initializing HDDs ..........................................................................................................................88
10.2Managing HDD Group ..................................................................................................................89
10.4.1 Setting HDD Groups............................................................................................................89
10.4.2 Setting HDD Property..........................................................................................................90
10.3Configuring Quota Mode...............................................................................................................91
10.4Checking HDD Status.................................................................................................................... 92
10.5Checking S.M.A.R.T Information.................................................................................................. 93
10.6Detecting Bad Sector.....................................................................................................................94
10.7Configuring HDD Error Alarms.......................................................................................................... 95
Chapter 11 Camera Settings..................................................................................................................96
11.1 Configuring OSD Settings.............................................................................................................97
11.2 Configuring Privacy Mask.............................................................................................................98
11.3 Configuring Video Parameters.......................................................................................................99
Chapter 12 DVR Management and Maintenance..............................................................................100
12.1 Viewing System Information.......................................................................................................101
12.2 Searching and Exporting Log Files..............................................................................................101
12.3Importing/Exporting Configuration Files.....................................................................................102
12.4Upgrading System .......................................................................................................................103
12.5.1 Upgrading by Local Backup Device................................................................................... 103
12.5Restoring Default Settings...........................................................................................................104
Chapter 13 Others................................................................................................................................105
13.1Configuring General Settings.......................................................................................................106
13.2Configuring DST Settings............................................................................................................107
13.3Configuring More Settings...........................................................................................................108
13.4Managing User Accounts.............................................................................................................109
4

13.4.1 Adding a User....................................................................................................................109
13.4.2 Deleting a User...................................................................................................................110
13.4.3 Editing a User ....................................................................................................................111
13.5Logging out/Shutting down/Rebooting Device............................................................................112
Appendix.......................................................................................................................................................113
Glossary.................................................................................................................................................114
Troubleshooting .....................................................................................................................................115
5

FCC Information
FCC compliance: This equipment has been tested and found to comply with the limits for a digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment
in a residential area is likely to cause harmful interference in which case the user will be required to correct
the interference at his own expense. FCC conditions
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause undesired operation.
EU Conformity Statement
This product and - if applicable - the supplied accessories too are marked with "CE" and comply therefore with the
applicable harmonized European standards listed under the Low Voltage Directive 2006/95/EC, the EMC
Directive 2004/108/EC, the RoHS Directive 2011/65/EU.
2012/19/EU (WEEE directive): Products marked with this symbol cannot be disposed of as unsorted
municipal waste in the European Union. For proper recycling, return this product to your local supplier
upon the purchase of equivalent new equipment, or dispose of it at designated collection points. For more
information see: www.recyclethis.info.
2006/66/EC (battery directive): This product contains a battery that cannot be disposed of as unsorted
municipal waste in the European Union. See the product documentation for specific batteryinformation.
The battery is marked with this symbol, which may include lettering to indicate cadmium (Cd), lead (Pb),
or mercury (Hg). For proper recycling, return the battery to your supplier or to a designated collection point.
For more information see: www.recyclethis.info.
Trademarks and Registered Trademarks
� Windows and Windows mark are trademarks or registered trademarks of Microsoft Corporation in the United
States and/or other countries.
� HDMI, HDMI mark and High-Definition Multimedia Interface are trademarks or registered trademarks of
HDMI Licensing LLC.
� The products contained in this manual are authorized by HDMI Licensing LLC with the use right of the HDMI
technology.
6

� VGA is the trademark ofIBM.
� UPnPTM is a certification mark of the UPnPTM Implementers Corporation.
� Other names of companies and product contained in this manual may be trademarks or registered trademarks
of their respective owners.
7

User Manual of Digital Video Recorder
Thank you for purchasing our product. If there is any question or request, please do not hesitate to contact
dealer. This manual is applicable to the models listed in the following table.
Series
Model
Type
DT-P
DT-E
DT-E
DT-E
16-ch
4-ch
8-ch
16-ch
HD-TVI
HD-TVI
HD-TVI
HD-TVI
DVR Pre-Installation
The HD-TVI DVR is highly advanced surveillance equipment that should be installed carefully. Please take
into consideration the following precautionary steps before installation of the DVR.
•Keep all liquids away from the DVR.
•Install the DVR in a well-ventilated and dust-free area.
•Ensure environmental conditions meet factory specifications.
•Install a manufacturer recommended HDD.
DVR Installation
During the installation of the DVR:
2Use brackets for rack mounting.
3 Ensure there is ample room for audio and video cables.
4 When installing cables, ensure that the bend radius of the cables are no less than five times than its diameter.
5 Connect both the alarm and RS-485 cable.
6 Allow at least 2cm ( 0.75-inch) of space between racks mounted devices.
7 Ensure the DVR is grounded.
8 Environmental temperature should be within the range of -10 ºC ~ 55 ºC, 14ºF ~ 131ºF.
9 Environmental humidity should be within the range of 10% ~ 90%.
Hard Disk Installation
Before you start:
Before installing a hard disk drive (HDD), please make sure the power is disconnected from the
DVR. A factory recommended HDD should be used for this installation.
Up to 2 SATA hard disks can be installed on your DVR.
Tools Required: Screwdriver.
8

User Manual of Digital Video Recorder
.
Front Panels
Figure 1. 1 Front Panel of 16ch DVR
Table 1. 1 Description of Front Panel
No.
Name
Function Description
1
POWER
Power indicator lights in green when DVR is powered up.
READY
Ready indicator is normally green, indicating that the DVR is
functioning properly.
STATUS
Indicator turns green when DVR is controlled by an IR remote
control with the address from 1~254;
Indicator turns red when the SHIFT button is used;
Indicator does not light when the DVR is controlled by a keyboard or
by the IR remote control with the address of 255;
Indicator turns green when the DVR is controlled by IR remote
control (with the address from 1~254) and keyboard at the same
time , and the SHIFT button is not used;
Indicator turns orange : (a) when the DVR is controlled by IR remote
control (with the address from 1~254) and keyboard at the same time
and the SHIFT button is used as well; (b) when the DVR is
controlled by IR remote control (with the address from 1~254) and
the SHIFT button is used.
ALARM
Alarm indicator turns red when a sensor alarm is detected.
HDD
HDD indicator blinks in red when data is being read from or written
to HDD.
Tx/Rx
Tx/Rx indictor blinks in green when network connection is
functioning properly.
2 DVD-R/W Slot for DVD-R/W.
SHIFT
Switch between the numeric or letter input and functions of the
composite keys. (Input letter or numbers when the light is out;
Realize functions when the light is red.)
1
2 34
5
67
9

User Manual of Digital Video Recorder
3Composite
Keys
1/MENU Enter numeral “1”;
Access the main menu interface.
2/ABC/F1
Enter numeral “2”;
Enter letters “ABC”;
The F1 button when used in a list field will select all items in the list.
In PTZ Control mode, it will turn on/off PTZ light and when the
image is zoomed in, the key is used to zoom out.
In live view or playback mode, the F1 button can be used to switch
between main and spot video output.
3/DEF/F2
Enter numeral “3”;
Enter letters “DEF”;
The F2 button is used to change the tab pages.
In PTZ control mode, it zooms in the image.
4/GHI/ESC
Enter numeral “4”;
Enter letters “GHI”;
Exit and back to the previous menu.
5/JKL/EDIT
Enter numeral “5”;
Enter letters “JKL”;
Delete characters before cursor;
Check the checkbox and select the ON/OFF switch;
Start/stop record clipping in playback.
6/MNO/PLAY
Enter numeral “6”;
Enter letters “MNO”;
In Playback mode, it is used for directaccess to playback interface.
No.
Name
Function Description
7/PQRS/REC
Enter numeral
“7”;
Enter letters “PQRS”;
Manual record, for direct access to manual record interface;
manually enable/disable record.
8/TUV/PTZ
Enter numeral “8”;
Enter letters
“TUV”;
Access PTZ control interface.
9/WXYZ/PREV
Enter numeral
“9”;
Enter letters “WXYZ”;
Multi-channel display in live view.
0/A
Enter numeral “0”;
Shift the input methods in the editing text field. (Upper and
lowercase, alphabet, symbols or numeric input).
4
DIRECTION
The DIRECTION buttons are used to navigate between different
fields and items in menus.
In the Playback mode, the Up and Down button is used to speed up
and slow down recorded video. The Left and Right button will select
the next and previous record files.
In Live View mode, these buttons can be used to cycle through
channels.
In PTZ control mode, it can control the movement of the PTZ
camera.
ENTER
The ENTER button is used to confirm selection in any of the menu
modes.
It can also be used to tick checkbox fields.
In Playback mode, it can be used to play or pause the video.
In single-frame Playback mode, pressing the button will advance the
video by a single frame.
10

User Manual of Digital Video Recorder
In Auto-switch mode, it can be used to stop /start auto switch.
5 POWER Power on/off switch.
6 JOG SHUTTLE Control
Move the active selection in a menu. It will move the selection up
and down.
In Live View mode, it can be used to cycle through different
channels.
In the Playback mode, it can be used to jump 30s forward/backward
in video files.
In PTZ control mode, it can control the movement of the PTZ
camera.
7 USB Interface Universal Serial Bus (USB) ports for additional devices such as USB
mouse and USB Hard Disk Drive (HDD).
8 IR Receiver Receiver for IR remote control.
Rear Panels
No. Item Description
1 VIDEO IN BNC interface for TVI and analog video input.
2 VIDEO OUT BNC connector for video output.
3 AUDIO IN RCA connector
4 USB PortUniversal Serial Bus (USB) port for additional devices.
5 HDMI HDMI video output connector.
6 VGA DB15 connector for VGA output. Display local video output and
menu.
7 AUDIO OUT RCA connector
8 Network Interface Connector for network
9 RS-485 Interface Connector for RS-485 devices. T+ and T- pins connect to R+ and R-
D+, D- pin connects to Ta, Tb pin of controller. For cascading devices,
Connector for alarm input.
Connector for alarm output.
10 Power Supply AC 100 ~ 240V power supply.
11 Power Switch Switch for turning on/off the device.
12 GND Ground
13 LINE IN BNC connector for audio input.
14 eSATA Connects external SATA HDD, CD/DVD-RW.
15 RS-232 Interface Connector for RS-232 devices.
11

RearPanels(DT-E)
pins of PTZ receiver respectively.
D+, D- pin of the next DVR.
Table 1. 9 Description of Rear Panel
No. Item Description
1 VIDEO IN BNC interface for TVI and analog video input.
2 HDMI HDMI video output connector.
3 VGA DB15 connector for VGAoutput. Display local video output and menu.
4 AUDIO OUT RCAconnector.
5 AUDIO IN RCAconnector.
6 Network Interface Connector for network
7 USB Port Universal Serial Bus (USB) port for additional devices.
8 GND Ground
9 Power Supply DC 12V power supply.
To connect PTZ to the DVR:
2.3.3 Disconnect pluggable block from the RS-485 terminal block.
2.3.4 Press and hold the orange part of the pluggable block; insert signal cables into slots and release
the orange part. Ensure signal cables are in tight.
2.3.5 Connect A+ on PTZ to T+ on terminal block and B- on controller to T- on terminal block.
Fasten stop screws.
2.3.6 Connect pluggable block back into terminal block.
To connect a controller to the DVR:
4Disconnect pluggable block from the KB terminal block.
5Press and hold the orange part of the pluggable block; insert signal cables into slots and release the orange
part. Ensure signal cables are in tight.
6Connect Ta on controller to D+ on terminal block and Tb on controller to D- on terminal block. Fasten stop
screws.
7Connect pluggable block back into terminal block.
NOTE
Make sure both the controller and DVR are grounded.
12

User Manual of Digital Video Recorder
Specifications
Table 1 Speci cation for HD DVR
Video/Audio
input
Video compression H.264
DT-E DT-P
Analog and HD-TVI
video input
16-ch16-ch8-ch4-ch
1/1 1/1 1/1 4/1
HDMI/VGA HDMI/VGA/BNC
Supported camera
types
720P25, 720P30, 720P50, 720P60, 1080P25, 1080P30, CVBS
Audio compressionG.711u
Audio in/out
Video/Audio
output
HDMI / VGA output
1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60
Hz
Encoding resolution
Main stream: 1080P(non-real-time) / 720P / VGA / WD1 / 4CIF / CIF
Sub-stream: WD1(non-real-time) / 4CIF(non-real-time) / CIF / QCIF / QVGA
Frame rate
Main stream: 1/16 fps ~ Real time frame rate
Sub-stream: 1/16 fps ~ Real time frame rate
Video bitrate 32 Kbps-6 Mbps
Audio output
Audio bitrate
1-ch, RCA (Linear, 1KO)
64 Kbps
13
Dual-stream Support
Stream type Video, Video & Audio
Playback resolution 1080P / 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF
Network
management
Remote connections 128
Network protocols
TCP/IP, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, SNMP, NFS, iSCSI,
, HTTPS
Hard disk
SATA 4211
Capacity Up to 4 TB capacity for each disk
External
interface
Network interface M001/M01 /M01 10 /M0 1000M
Serial interface 1; standard RS-485 serial interface, half-duplex
USB port 2 × USB2.0
12V DC
12.4x9.5x1.8 inches12.4x9.5x1.8 inches 17.3x15.0x2.7 inches15.0x11.4x1.9 inches
General
Power supply
Working temperature -10 ºC ~+55 ºC (14 ºF ~ 131 ºF)
Working humidity 10% ~ 90%
Dimensions(W × D × H)
13

Chapter 1 Introduction
14

1.1 USB Mouse Operation
A regular 3-button (Left/Right/Scroll-wheel) USB mouse can also be used with this DVR. To use a USB mouse:
Steps:
1. Plug USB mouse into one of the USB interfaces on the front panel of the DVR.
2. The mouse should automatically be detected. If in a rare case that the mouse is not detected, the possible
reason may be that the two devices are not compatible, please refer to the recommended the device list
from your provider.
The operation of the mouse:
Table 1. 7 Description of the Mouse Control
Name
Action
Description
Left-Click
Single-Click
Live view: Select channel and show the quick set menu.
Menu: Select and enter.
Double-Click
Live view: Switch between single-screen and multi-screen.
Click and Drag
PTZ control: Wheeling.
Privacy mask and motion detection: Select target area.
Digital zoom-in: Drag and select target area.
Live view: Drag channel/time bar.
Right-Click
Single-Click
Live view: Show menu.
Menu: Exit current menu to upper level menu.
Scroll-Wheel
Scrolling up
Live view: Previous screen.
Menu: Previous item.
Scrolling down
Live view: Next screen.
Menu: Next item.
15

1.2 Input Method Description
Figure 1. 8 Soft Keyboard
Description of the buttons on the soft keyboard:
Table 1. 8 Description of the Soft Keyboard Icons
Icons
Description
English
Numbers
Lowercase/Uppercase
Space
Exit
Icons
Description
Capital English
Symbols
Backspace
Enter
16

Chapter 2 GettingStarted
17

Starting Up and Shutting Down the DVR
Before you start:
Check that the voltage of the extra power supply is the same with the DVR’s requirement, and the ground
connection is working properly.
Starting up the DVR
Steps:
1. Check the power supply is plugged into an electrical outlet. It is HIGHLY recommended that an
Uninterruptible Power Supply (UPS) be used in conjunction with the device.
2. Turn on the power switch on the rear panel, and the Power indicator LED should turn on indicating that
the unit begins to start up.
3. After startup, the Power indicator LED remains on.
Shutting down the DVR
Steps:
There are two proper ways to shut down the DVR. To shut down the DVR:
OPTION 1: Standard shutdown
1. Enter the Shutdown menu.
Menu > Shutdown.
2. Select the Shutdown button.
3. Click the Yes button.
4. Turn off the power switch on the rear panel when the note appears.
OPTION 2: By operating the front panel
1. Press and hold the POWER button on the front panel for 3 seconds.
2. Enter the administrator’s username and password in the dialog box for authentication.
3. Click the Yes button.
NOTE
Do not press the POWER button again when the system is shutting down.
The device remains standby mode after shutting down, and the POWER indicator turns red; you can
turn on the device by pressing the POWER button on the remote control.
Rebooting the DVR
While in the Shutdown menu (Figure 2. 1), you can also reboot the DVR.
Steps:
1. Enter the Shutdown menu by clicking Menu > Shutdown.
2. Click the Logout button to log out or the Reboot button to reboot the DVR.
18

2.2 Using the Wizard for Basic Configuration
By default, the Setup Wizard will start once the DVR has loaded.
Steps:
1. Please select the system language in the drop-down list on your demand.
2. The Setup Wizard can walk you through some important settings of the DVR. If you do not want to use the
Setup Wizard at this time, click the Cancel button. You can also choose to use the Setup Wizard next time by
leaving the “Start wizard when device starts?” checkbox in checked status.
3. Click Next button on the Wizard window to enter the Login window.
4. Enter the admin password. By default, the password is 000000.
NOTE
You are highly recommended to change the default password right after the first login to avoid safety
problem.
5. To change the admin password, check the New Admin Password checkbox. Enter the new password and
confirm the password in the given fields.
6. Click the Next button to enter the date and time settings window, as shown in Figure 2. 6.
7. After the time settings, click Next button which will take you back to the General Network Setup Wizard
window.
NOTE
1 self-adaptive 10M/100M network interface is provided for DT-E & DT-P 2 self-adaptive
10M/100M/1000M network interfaces for DS-8100HQHI&HGHI-SH series, and three working modes are
configurable: multi-address, load balance, network fault tolerance; and 1 self-adaptive 10M/100M/1000M
network interface for other models.
8. Click Next button after you having configured the network parameters, which will take you to the
Advanced Network Setup Wizard window.
9. Set the parameters of port NoAuto UPnP or DDNS if required.
10.Click Next button after configuring the advanced network parameters, which will take you to the HDD
Management window.
11.To initialize the HDD, click the Init button. Initialization will remove all the data saved in the HDD.
12.Click Next button to enter the Record Settings window, as shown in Figure 2. 10.
13.Click Copy to copy the recording setting to other cameras.
14.Click OK to save the settings and exit the wizard.
19

Chapter 3 Live View
3.1 Introduction of Live View
Live view shows you the video image getting from each camera in real time. The DVR will automatically enter
Live View mode when powered on. It is also at the very top of the menu hierarchy, thus hitting the ESC many
times (depending on which menu you’re on) will bring you to the Live View mode.
Live View Icons
In the live view mode, there are icons at the right top of the screen for each channel, showing the status of the
record and alarm in the channel, so that you can know whether the channel is recorded, or whether there are
alarms occur as soon as possible.
Table 3. 1 Description of Live View Icons
Icons
Description
Alarm (video loss, tampering, motion detection or sensor alarm)
Record (manual record, schedule record, motion detection or alarm triggered record)
Alarm & Record
Event/Exception (motion detection, sensor alarm or exception information. For details,
see Chapter 8.6 Handling Exceptions.)
20