Rohde & Schwarz XT 4410A - Page 127

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Operator’s Manual • Use under Special Conditions
6076.0822.12.01 – 3.13 –
 /LQN&/(:
For voice communication, narrowband audio line NB1 is used, carrier activation is performed
via keyline PTT_1L low-active. Modulation is in AM or FM (see chapter 3.3.1). In addition, a
Link 11 data terminal is connected. Data communication is carried out via narrowband audio
line NB2 and carrier activation via keyline PTT_2 high-active. Modulation is in FM.
Communication
Mode
Comline Keylines Audio Lines External
Device
Mapping
PLL_1L PTT_1 PTT_2L PTT_2 NB1 WB1 NB2 WB2
V/D UNCP CL1 x [
LINK 11 CL1 [ [ /LQN'DWD
7HUPLQDO
Link 11 Data
Terminal
X26
.1
.2
.3
.4
.10
.11
.12
.13
.20
M3SR Transceiver
AF Tx A NB
AF Tx B NB
AF Rx A NB
AF Rx B NB
PTT_1L
AGC (LSB)
AGC (MSB)
Squelch
Carrier
Audio System
X25
.1
.2
.3
.4
.18
.21
AF Tx A NB
AF Tx B NB
AF Rx A NB
AF Rx B NB
PTT_2
~LINK11
 no sidetone
Starting point: Menu 040 (MAIN)
1. Press softkey
Menu 400 (RADIO MAINTENANCE)
2. ENTER maintenance PIN by using
the numerical keypad, then press
ENTER.
3. Press softkeys
Menu 565 (DEVICE MAPPING)
4. Select LINK 11 by using the tuning
knob.
5. Press softkey
6. Select Comline 1 by using the tuning
knob, then press ENTER.
7. Press softkey
8. Press key (front panel).
9. Press key again.
10. Enter maintenance PIN by using the
numerical keypad, then press
ENTER.
11. Press softkeys
Menu 560 (AUDIO MAPPING)
12. Check if audio line NB2 is connected
with Comline CL1. If necessary, con-
nect.