Duplex - IFR COM-120C Operation Manual

Communications service monitor
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SECTION 5
COMMON PRACTICES
5-3

DUPLEX

This section offer s suggestions for equipment and scr een setups for a common Duplex
pr actice.
This pr ocedur e configur es the Duplex O per ation Scr een to per for m a Receive and
G ener ate Sensitivity Check.
o
Pr ess DPLX Mode Key.
o
Set Duplex Receive:
RF
Input
Atten
Demod
IF BW
o
Set Squelch Contr ol Knob fully Counter Clockwise.
o
Set Duplex G ener ate:
o
RF
O ffset
O utput
Level
GEN2
G EN1, DATA and DTMF
Deviation
F or mat
F r eq
o
Connect AUX output connector to ANTENNA input connector .
o
Connect DEMO D O UT connector to SINAD IN connector .
o
Cur sor to RECEIVE field and pr ess F1 ZOOM .
o
Cur sor to LINE field and pr ess F6 CONFIG .
o
Set filter s:
o
MOD METERS
DTMF/SINAD
AF CNTR/DECODE
DATA DECODER
SPEAKER/PHO NES
DEMOD OUT
455.0000 MHz
ANT
0 dB
FM
15 kHz
455.0000 MHz
0.0000 MHz
AUX
-40.0 dBm
FM
OFF
3.30 kHz
TONE
1000.0 Hz
HPF, 300 Hz /LPF, 4 kHz /WB, OFF
BPF, C-MSG
LPF, 20 kHz
LPF, 20 kHz
WB
DET OUT
5- 28

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