R&S SMCVB-K156 User manual

R&S®SMCVB-K156
T-DMB/DAB
User Manual
User Manual
Version 02
1179102902
(;Ý:M2)

This document describes the following software options:
●R&S®SMCVB-K156
1434.3731.02
This manual describes firmware version FW 4.70.176.xx and later of the R&S®SMCV100B.
© 2020 Rohde & Schwarz GmbH & Co. KG
Mühldorfstr. 15, 81671 München, Germany
Phone: [phone] - 0
Email: [email protected]
Internet: www.rohde-schwarz.com
Subject to change – Data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.
1179.1029.02 | Version 02 | R&S®SMCVB-K156
The following abbreviations are used throughout this manual: R&S®SMCV100B is abbreviated as R&S SMCVB, R&S®WinIQSIM2 is
abbreviated as R&S WinIQSIM2

Contents
R&S®SMCVB-K156
3User Manual 1179.1029.02 ─ 02
Contents
1 Preface.................................................................................................... 7
1.1 About this Manual......................................................................................................... 7
1.2 Documentation Overview............................................................................................. 8
1.2.1 Getting Started Manual................................................................................................... 8
1.2.2 User Manuals and Help...................................................................................................8
1.2.3 Service Manual............................................................................................................... 8
1.2.4 Instrument Security Procedures......................................................................................9
1.2.5 Printed Safety Instructions.............................................................................................. 9
1.2.6 Data Sheets and Brochures............................................................................................ 9
1.2.7 Release Notes and Open Source Acknowledgment (OSA)............................................ 9
1.2.8 Application Notes, Application Cards, White Papers, etc................................................9
2 Welcome to the T-DMB/DAB Option...................................................10
2.1 Accessing the T-DMB/DAB Dialog.............................................................................10
2.2 Scope............................................................................................................................11
2.3 Notes on Screenshots................................................................................................ 11
3 About the T-DMB/DAB Option.............................................................12
3.1 Required Options........................................................................................................ 12
3.2 About DAB/T-DMB.......................................................................................................12
3.2.1 DAB Network.................................................................................................................13
3.2.2 DAB Transmission System............................................................................................13
3.2.3 Transport Mechanisms..................................................................................................14
3.2.3.1 Transmission channels..................................................................................................14
3.2.3.2 Transport Modes........................................................................................................... 15
3.2.4 Pseudo Noise Scrambling.............................................................................................15
3.2.5 Convolutional Coding.................................................................................................... 15
3.2.6 Time Interleaving...........................................................................................................16
4 T-DMB/DAB Configuration and Settings............................................17
4.1 General Settings..........................................................................................................17
4.2 Input Signal Settings.................................................................................................. 18
4.2.1 General Settings........................................................................................................... 19

Contents
R&S®SMCVB-K156
4User Manual 1179.1029.02 ─ 02
4.2.2 Info................................................................................................................................ 21
4.2.3 IP Channnel x Settings..................................................................................................22
4.3 Network Settings.........................................................................................................26
4.4 SFN Settings................................................................................................................28
4.5 Special Settings.......................................................................................................... 30
4.6 Global Connector Settings.........................................................................................31
4.7 TS Player......................................................................................................................31
4.7.1 TS Player Settings........................................................................................................ 32
4.7.2 Player Output................................................................................................................ 35
4.7.2.1 General......................................................................................................................... 36
4.7.2.2 Stuffing.......................................................................................................................... 37
4.7.3 Seamless Loop Settings............................................................................................... 39
4.8 Local IP Data Network Settings................................................................................. 40
5 Performing T-DMB/DAB Signal Generation Tasks............................ 43
5.1 Configuring the Input Signal......................................................................................43
5.1.1 How to Apply an External IP Input Signal..................................................................... 43
5.1.2 How to Apply an External TS Input Signal.................................................................... 45
5.1.3 How to Generate an Internal TS Signal........................................................................ 47
6 Remote-Control Commands............................................................... 48
6.1 General Commands.................................................................................................... 49
6.2 Input Commands.........................................................................................................51
6.2.1 General Commands...................................................................................................... 51
6.2.2 Info Commands.............................................................................................................52
6.2.3 IP Subsystem................................................................................................................ 54
6.3 Network Commands................................................................................................... 58
6.4 SFN Delay Commands................................................................................................59
6.5 Special Commands..................................................................................................... 61
6.6 TSGen Subsystem...................................................................................................... 62
6.7 BCIP Subsystem......................................................................................................... 69
Glossary: Abbreviations......................................................................73

Contents
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Glossary: Specifications..................................................................... 75
List of Commands................................................................................76
Index......................................................................................................78

Contents
R&S®SMCVB-K156
6User Manual 1179.1029.02 ─ 02

Preface
R&S®SMCVB-K156
7User Manual 1179.1029.02 ─ 02
1 Preface
1.1 About this Manual
This user manual provides all the information specific to the T-DMB/DAB option
R&S SMCVB-K156. All general instrument functions and settings common to all appli-
cations and operating modes are described in the main R&S SMCV100B user manual.
The main focus in this manual is on the provided settings and the tasks required to
generate a signal. The following topics are included:
●Welcome to the T-DMB/DAB option R&S SMCVB-K156
Introduction to and getting familiar with the option
●About the T-DMB/DAB
Background information on basic terms and principles in the context of the signal
generation
●T-DMB/DAB Configuration and Settings
A concise description of all functions and settings available to configure signal gen-
eration with their corresponding remote control command
●How to Generate a Signal with the T-DMB/DAB Option
The basic procedure to perform signal generation tasks and step-by-step instruc-
tions for more complex tasks or alternative methods
●Remote Control Commands
Remote commands required to configure and perform signal generation in a
remote environment, sorted by tasks
(Commands required to set up the instrument or to perform common tasks on the
instrument are provided in the main R&S SMCV100B user manual)
Programming examples demonstrate the use of many commands and can usually
be executed directly for test purposes
●Glossary
Alphabetical list of often used terms and abbreviations and specifications.
●List of remote commands
Alphabetical list of all remote commands described in the manual
●Index
Contents and scope
This description assumes R&S SMCV100B equipped with all available options.
Depending on your model and the installed options, some of the functions may not be
available on your instrument.
Notes on screenshots
When describing the functions of the product, we use sample screenshots. These
screenshots are meant to illustrate as much as possible of the provided functions and
possible interdependencies between parameters. The shown values may not represent
realistic usage scenarios.
About this Manual

Preface
R&S®SMCVB-K156
8User Manual 1179.1029.02 ─ 02
The screenshots usually show a fully equipped product, that is: with all options instal-
led. Thus, some functions shown in the screenshots may not be available in your par-
ticular product configuration.
1.2 Documentation Overview
This section provides an overview of the R&S SMCV100B user documentation. Unless
specified otherwise, you find the documents on the R&S SMCV100B product page at:
www.rohde-schwarz.com/manual/smcv100b
1.2.1 Getting Started Manual
Introduces the R&S SMCV100B and describes how to set up and start working with the
product. Includes basic operations, typical measurement examples, and general infor-
mation, e.g. safety instructions, etc. A printed version is delivered with the instrument.
1.2.2 User Manuals and Help
Separate manuals for the base unit and the software options are provided for down-
load:
●Base unit manual
Contains the description of all instrument modes and functions. It also provides an
introduction to remote control, a complete description of the remote control com-
mands with programming examples, and information on maintenance, instrument
interfaces and error messages. Includes the contents of the getting started manual.
●Software option manual
Contains the description of the specific functions of an option. Basic information on
operating the R&S SMCV100B is not included.
The contents of the user manuals are available as help in the R&S SMCV100B. The
help offers quick, context-sensitive access to the complete information for the base unit
and the software options.
All user manuals are also available for download or for immediate display on the Inter-
net.
1.2.3 Service Manual
Describes the performance test for checking the rated specifications, module replace-
ment and repair, firmware update, troubleshooting and fault elimination, and contains
mechanical drawings and spare part lists.
The service manual is available for registered users on the global Rohde & Schwarz
information system (GLORIS):
Documentation Overview

Preface
R&S®SMCVB-K156
9User Manual 1179.1029.02 ─ 02
https://gloris.rohde-schwarz.com
1.2.4 Instrument Security Procedures
Deals with security issues when working with the R&S SMCV100B in secure areas. It
is available for download on the Internet.
1.2.5 Printed Safety Instructions
Provides safety information in many languages. The printed document is delivered with
the product.
1.2.6 Data Sheets and Brochures
The data sheet contains the technical specifications of the R&S SMCV100B. It also
lists the options and their order numbers and optional accessories.
The brochure provides an overview of the instrument and deals with the specific char-
acteristics.
See www.rohde-schwarz.com/brochure-datasheet/smcv100b
1.2.7 Release Notes and Open Source Acknowledgment (OSA)
The release notes list new features, improvements and known issues of the current
firmware version, and describe the firmware installation.
The open-source acknowledgment document provides verbatim license texts of the
used open source software.
See www.rohde-schwarz.com/firmware/smcv100b
1.2.8 Application Notes, Application Cards, White Papers, etc.
These documents deal with special applications or background information on particu-
lar topics.
See www.rohde-schwarz.com/application/smcv100b
Documentation Overview

Welcome to the T-DMB/DAB Option
R&S®SMCVB-K156
10User Manual 1179.1029.02 ─ 02
2 Welcome to the T-DMB/DAB Option
The R&S SMCVB-K156 is a firmware application that adds functionality to generate
signals in accordance with the T-DMB/DAB digital standard.
The R&S SMCVB-K156 option features:
●T-DMB/DAB signal generation
This user manual contains a description of the functionality that the application pro-
vides, including remote control operation.
All functions not discussed in this manual are the same as in the base unit and are
described in the R&S SMCV100B user manual. The latest version is available at:
www.rohde-schwarz.com/manual/SMCV100B
Installation
You can find detailed installation instructions in the delivery of the option or in the
R&S SMCV100B service manual.
2.1 Accessing the T-DMB/DAB Dialog
To open the dialog with T-DMB/DAB settings
► In the block diagram of the R&S SMCV100B, select "Baseband > T-DMB/DAB".
A dialog box opens that displays the provided general settings.
The signal generation is not started immediately. To start signal generation with the
default settings, select "State > On".
Accessing the T-DMB/DAB Dialog

Welcome to the T-DMB/DAB Option
R&S®SMCVB-K156
11User Manual 1179.1029.02 ─ 02
2.2 Scope
Tasks (in manual or remote operation) that are also performed in the base unit in the
same way are not described here.
In particular, it includes:
●Managing settings and data lists, like storing and loading settings, creating and
accessing data lists, or accessing files in a particular directory.
●Information on regular trigger, marker and clock signals and filter settings, if appro-
priate.
●General instrument configuration, such as checking the system configuration, con-
figuring networks and remote operation
●Using the common status registers
For a description of such tasks, see the R&S SMCV100B user manual.
2.3 Notes on Screenshots
When describing the functions of the product, we use sample screenshots. These
screenshots are meant to illustrate as many as possible of the provided functions and
possible interdependencies between parameters. The shown values may not represent
realistic usage scenarios.
The screenshots usually show a fully equipped product, that is: with all options instal-
led. Thus, some functions shown in the screenshots may not be available in your par-
ticular product configuration.
Notes on Screenshots

About the T-DMB/DAB Option
R&S®SMCVB-K156
12User Manual 1179.1029.02 ─ 02
3 About the T-DMB/DAB Option
DAB, DAB+ and T-DMB are OFDM-based terrestrial standards. DAB and DAB+ are
designed for audio broadcasting. DAB+ uses advanced audio compression techniques.
T-DMB is designed for audio and video broadcasting.
The transmission standard complies with specification ETSI EN 300 401 specification.
The input interface complies with specification ETS 300 799.
3.1 Required Options
The equipment layout for generating T-DMB/DAB signals includes:
●Base unit
●Option Enable Broadcast Standard (R&S SMCVB-K519)
●Option T-DMB/DAB (R&S SMCVB-K156)
3.2 About DAB/T-DMB
The R&S SMCV100B enables you to generate signals in accordance with the Digital
Audio Broadcasting (DAB)/Terrestrial Digital Multimedia Broadcasting (T-DMB) stan-
dard.
The generated signals are compliant with ETSI EN 300 401 standard. Via the user-
friendly graphical interface of R&S SMCV100B, you can adjust several DAB signal
parameters. You are enabled to generate a signal corresponding to one of the four
standard transport modes, Transmission Mode I, II, III or IV. You can also choose to
enable or disable channel coding, time interleaving and/or pseudo noise scrambling.
The R&S SMCV100B allows you to choose between different data sources. You can
either use some of the predefined data sources (two different pseudo noise sequen-
ces, fixed all “0”, fixed all “1”) or you can use your own ETI (Ensemble Transport Inter-
face) compliant source file. To create an ETI compliant source file, you can for instance
use the R&S STI Ensemble Mux DM001 or the R&S ETI Builder. However, the ETI
source file must fulfill some prerequisites.
The DAB system is designed for delivery of high-quality digital audio programs and
data services for mobile, portable and fixed reception from terrestrial or satellite trans-
mitters in the Very High Frequency (VHF)/Ultra High Frequency (UHF) frequency
bands as well as for distribution through cable networks.
The DAB system is designed to provide spectrum and power efficient techniques in ter-
restrial transmitter network planning, known as the Single Frequency Network (SFN)
and the gap-filling technique. The DAB system is suitable for satellite as well as hybrid/
mixed terrestrial/satellite broadcasting, using a simple, nearly omni-directional receiv-
ing antenna. The DAB system meets the required sharing criteria with other radio com-
munication services.
About DAB/T-DMB

About the T-DMB/DAB Option
R&S®SMCVB-K156
13User Manual 1179.1029.02 ─ 02
3.2.1 DAB Network
The figure bellow illustrates the outline of a DAB network.
Figure 3-1: DAB network
The DAB network has three main parts: the service or service component provider, the
multiplex or ensemble provision and the transmission network provision.
The interfaces between these there blocks are scope of ETSI standards. The STI (Ser-
vice Transport Interface) is defined to provide a standardized way of transporting DAB
service components, service information and control messages in a DAB collection
network.
The Ensemble Transport Interface (ETI) links the Multiplexer of the Ensemble Provider
with the transmitters of the Transmission Network Provider.
3.2.2 DAB Transmission System
The following block diagramm shows the components of the DAB transmission system.
Figure 3-2: Components of the Transmission System DAB
The DAB transmission signal is defined as the sum of two signals; the main signal s (t)
and an optional signal sTII (t) as illustrated in the figure above.
About DAB/T-DMB

About the T-DMB/DAB Option
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14User Manual 1179.1029.02 ─ 02
3.2.3 Transport Mechanisms
The DAB system is designed to carry several digital audio signals together with data
signals. Audio and data signals are considered to be service components which can be
grouped together to form services.
The DAB system transmission frame consists of three different channels:
●Main Service Channel (MSC)
●Fast Information Channel (FIC)
●Synchronization Channel
3.2.3.1 Transmission channels
The MSC is a time-interleaved data channel used to carry the audio and data service
components, together with possible supporting and additional data service compo-
nents. The MSC is divided into a number of sub-channels. Each of the sub-channels is
individually convolutionally coded with equal or unequal error protection. Each sub-
channel may carry one or more service components.
The FIC is a non time-interleaved data channel with fixed equal error correction. FIC
carries information about the organization of the MSC sub-channels, such as informa-
tion on the multiplex structure and, when necessary, its reconfiguration. Optionally FIC
may include service information, conditional access management information and data
service.
The Synchronization Channel provides a phase reference and is used internally for
demodulator functions such as transmission frame synchronization, automatic fre-
quency control, transmitter identification, and channel state estimation.
The Synchronization channel, the Fast Information Channel and the Main Service
Channel form a transmission frame (see Figure 3-3). The MSC occupies the major part
of the transmission frame.
Figure 3-3: DAB transmission frame
Each transmission frame is divided into a sequence of OFDM symbols, each symbol
consisting of a number of carriers.
The Fast Information Block (FIB) and the Common Interleaved Frame (CIF) are intro-
duced in order to provide transmission mode independent data transport packages
associated with the FIC and MSC respectively.
About DAB/T-DMB

About the T-DMB/DAB Option
R&S®SMCVB-K156
15User Manual 1179.1029.02 ─ 02
The data, carried in the MSC, is divided at source into regular 24 ms bursts corre-
sponding to the sub-channel data capacity of each CIF. The CIF contains 55 296 bits,
divided at 864 capacity units, 64 bits each.
Fast Information Block (FIB) is a data burst of 256 bits. The sequence of FIBs is car-
ried by the Fast Information Channel FIC. The structure of the FIB is common to all
transmission modes.
The synchronization channel symbols comprise the null symbol and the phase refer-
ence symbol. The null symbols are also used to allow a limited number of OFDM carri-
ers to convey the Transmitter Identification Information (TII).
3.2.3.2 Transport Modes
Transmission mode is specific set of transmission parameters (e.g. number of carriers,
OFDM symbol duration). Four transmission modes (i.e. I, II, III and IV) are defined to
allow the system to be used for different network configurations and a range of operat-
ing frequencies. Depending on the transport mode, the transmission frame has differ-
ent organization and length, i.e. the transmission frame is specific to the four transmis-
sion modes.
The table below gives the transmission frame duration and the number of FIBs and
CIFs which are associated with each transmission frame for the four transport modes.
Table 3-1: Transmission Mode Characteristics
Transport
Mode
Duration of
transmision
frame
Number of
FIBs per trans-
mission frame
Number of
CIFs per trans-
mission frame
Number of car-
riers
Carrier Spac-
ing
I 96 ms 12 4 1536 1 KHz
II 24 ms 3 1 384 4 KHz
III 24 ms 4 1 192 8 KHz
IV 48 ms 6 2 768 2 KHz
3.2.4 Pseudo Noise Scrambling
Prior to convolution encoding, the transmitted signal can be scrambled by a modulo-2
addition with a PRBS.
The PRBS polynomial is of degree 9 and specified as P(X) =x9+x5+1.
The initialization word is applied in such a way that the first bit of the PRBS is obtained
when the outputs of all shift register stages are set to value "1".
3.2.5 Convolutional Coding
The process of convolution coding is applied at the output of each PN scrambler. The
channel encoding process is based on punctured convolutional coding, which allows
both equal and unequal error protection. Unequal error protection (UEP) is designed
About DAB/T-DMB

About the T-DMB/DAB Option
R&S®SMCVB-K156
16User Manual 1179.1029.02 ─ 02
for audio services, equal error protection (EEP) for audio and data services. The sam-
pling frequency is respectively 48 kHz and 24 kHz.
The convolutional coder is a punctured convolution code, based on a mother convolu-
tional code with constraint length 7 and rate 1/4.
The generator polynomials are G1=(1,0,1,1,0,1,1), G2=(1,1,1,1,0,0,1),
G3=(1,1,0,0,1,0,1) and G4=(1,0,1,1,0,1,1).
To avoid the need for additional signaling overhead, the data in the FIC are encoded
with fixed, equal channel coding, with a constant 1/3 coding rate.
The puncturing procedures applied for the coding in the MSC is a combination of pro-
tection profile and protection level. There are number of permissible protection profiles
defined for each of the allowed bit rates. Each protection profile is associated with a
protection level. Protection level 1 is the highest level within the same profile.
Error protec-
tion
Protection Profile Bit rate Protection Level Code Rate
UEP four different pro-
tection profiles
14 different bit rates 1, 2, 3, 4, 5 0,34..0,75
(64 different data
rates - protection
level combinations)
EEP A Multiples of 8 kbit/s 1-A 1/4
2-A 3/8
3-A 1/2
4-A 3/4
B Multiples of 32 kbit/s 1-B 4/9
2-B 4/7
3-B 2/3
4-B 4/5
3.2.6 Time Interleaving
Time interleaving is applied prior to block generation at the output of each convolu-
tional encode contributing to the sub-channels in the MSC. It is not applied to the FIC.
The time interleaving process covers 16 CIFs, 24 ms each. This results in an overall
processing delay of 384 ms.
About DAB/T-DMB

T-DMB/DAB Configuration and Settings
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4 T-DMB/DAB Configuration and Settings
Access:
► Select "Baseband > T-DMB/DAB".
The remote commands required to define these settings are described in Chapter 6,
"Remote-Control Commands", on page 48.
Settings:
●General Settings..................................................................................................... 17
●Input Signal Settings............................................................................................... 18
●Network Settings.....................................................................................................26
●SFN Settings...........................................................................................................28
●Special Settings...................................................................................................... 30
●Global Connector Settings...................................................................................... 31
●TS Player................................................................................................................ 31
●Local IP Data Network Settings.............................................................................. 40
4.1 General Settings
Access:
► Select "Baseband > T-DMB/DAB".
The tab provides functionality for calling default settings, save and recall settings.
Settings:
State..............................................................................................................................17
Set To Default................................................................................................................18
Save/Recall...................................................................................................................18
State
Activates the standard and deactivates all the other digital standards and digital modu-
lation modes in the same path.
Remote command:
[:SOURce<hw>]:BB:TDMB:STATe on page 49
General Settings

T-DMB/DAB Configuration and Settings
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18User Manual 1179.1029.02 ─ 02
Set To Default
Calls the default settings. The values of the main parameters are listed in the following
table.
Parameter Value
State Not affected by the "Set to Default"
Remote command:
[:SOURce<hw>]:BB:TDMB:PRESet on page 49
Save/Recall
Accesses the "Save/Recall" dialog, that is the standard instrument function for saving
and recalling the complete dialog-related settings in a file. The provided navigation
possibilities in the dialog are self-explanatory.
The filename and the directory, in that the settings are stored, are user-definable; the
file extension is however predefined.
See also, chapter "File and Data Management" in the R&S SMCV100B user manual.
Remote command:
[:SOURce<hw>]:BB:TDMB:SETTing:CATalog? on page 49
[:SOURce<hw>]:BB:TDMB:SETTing:DELete on page 50
[:SOURce<hw>]:BB:TDMB:SETTing:LOAD on page 50
[:SOURce<hw>]:BB:TDMB:SETTing:STORe on page 50
4.2 Input Signal Settings
Access:
► Select "Baseband > T-DMB/DAB > Input Signal".
The dialog provides access to settings necessary to configure the input signal.
Input signal tasks
The settings allow you to perform the following tasks:
●Selecting an ETI source (external ETI Input, TS player as ETI player or internal ETI
test signal).
●Displaying information about the selected ETI signal (e.g. MID, NST)
How to: Chapter 5.1, "Configuring the Input Signal", on page 43 .
An external ETI signal (physical HDB3-coded) can be fed in at the "User 1" connector.
Input Signal Settings

T-DMB/DAB Configuration and Settings
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19User Manual 1179.1029.02 ─ 02
Common input signal settings
The setting of the following parameters is used for all broadcast standards.
●"Source"
●"Input"
Settings:
●General Settings..................................................................................................... 19
●Info.......................................................................................................................... 21
●IP Channnel x Settings............................................................................................22
4.2.1 General Settings
Access:
► Select "Input Signal > General".
The tab provides general settings necessary to configure the input signal.
Settings:
Source ..........................................................................................................................19
Input ............................................................................................................................. 20
Input Format..................................................................................................................20
IP ETI Channel..............................................................................................................20
ETI Signal .....................................................................................................................20
Number of Streams ......................................................................................................21
Mode Identity (MID) ......................................................................................................21
Source
Sets ETI signal source.
Input Signal Settings

T-DMB/DAB Configuration and Settings
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"External" Uses the external ETI signal present at the input connector.
Signal requirements:
●ETI (NI), ETI (NA 5592) or ETI (NA 5376) signal
●HDB3-coded
●Nominal voltage level: ±2.37 V
●Internally terminated with a 75 Ω load
●Data rate: 2.048 Mbit/s
"TS Player" Uses an internal transport stream with ETI packet data played from a
file. The player requires no option.
Playing encrypted files with extension _c requires a stream library
option R&S SMCVB-KSx.
See also:
●Chapter 4.7, "TS Player", on page 31
●Supported TS player file types
"Test Signal" Requires "Network > Network Mode > MFN".
Uses an internal ETI test signal with audio content.
Remote command:
[:SOURce<hw>]:BB:TDMB:SOURce on page 52
Input
Requires "Source > External".
Sets the external input interface.
Remote command:
[:SOURce<hw>]:BB:TDMB:INPut on page 51
Input Format
Requires "Source > External" and "Input > TS IN".
Displays the format of the input signal.
"ETI" Fixed input format.
Remote command:
[:SOURce<hw>]:BB:TDMB:INPut:FORMat on page 51
IP ETI Channel
Requires "Source > External" and "Input > IP".
Selects the IP ETI channel. You can select one out of two IP ETI channels as input at
the "IP Data" interface.
To configure a particular channel, see Chapter 4.2.3, "IP Channnel x Settings",
on page 22.
Remote command:
[:SOURce<hw>]:BB:TDMB:INPut:ETIChannel on page 51
ETI Signal
Displays, if a valid ETI signal is present and the signal type.
"Invalid" No ETI signals present.
"ETI (NI)" ETI NI signal.
Input Signal Settings