Rohde & Schwarz XT 4410A - Menu 400, Page 1: RADIO MAINTENANCE; Menu 400, Page 2: RADIO MAINTENANCE

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Operator’s Manual • Use under Special Conditions
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Voice transmission shall take place via narrowband audio line NB1 and carrier activation via
keyline PTT_1L (low-active). Modulation is in AM or FM.
Communication
Mode
Comline Keylines Audio Lines External
Device
PLL_1L PTT_1 PTT_2L PTT_2 NB1 WB1 NB2 WB2
V/D UNCP CL1 x [
Audio System
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
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 560 (AUDIO MAPPING)
4. Select audio lines NB1 by using the
tuning knob.
5. Press softkey
6. Select source CL1 by using the tuning
knob, then press ENTER.
7. Press softkeys
Menu 550 (PTT COMLINE MAPPING)
8. Select keyline PTT_1L by using the
tuning knob.
9. Press softkey
10. Select Comline CL1 by using the tun-
ing knob, then press ENTER.
11. Press softkey to set the
PTT level to low.