IFR FM/AM-1200A

4-7 DUPLEX OPERATION
FM/AM-1200S/A CONNECTORS
AND INDICATORS APPLICABLE
TO DUPLEX OPERATION:
1 MODULATION Meter
11 T/R Connector
14 DUPLEX Output Connector
15 EXT MOD/SINAD Connector
19 MIC/ACC Connector
20 SCOPE/DVM Connector
31 CRT Display
33 LOCK Lamp
36 FREQ ERROR Meter
37 VFD
Figure 4-3 FM/AM-12005/A Front Panel Controls
Applicable to Duplex Operation
CONTROL
3 MODULATION Select Control
4 Modulation METER Control
9 RF Level Attenuator Control
10 RF Level Attenuator Vernier
Control
18 Keyboard
22 PWR/OFF/BATT Switch
24 VERTICAL Attenuator
Selector Control
26 HORIZONTAL Sweep
Selector Control
32 GEN/LOCK Control
35 FREQ ERROR Meter Range
Selector Control
39 MODE Selector Control
40 VOLUME Control
Table 4-8 FM/AM-1200S/A Front Panel Controls
Applicable to Duplex Operation
[NOTE\
SETTING
"FM NAR"
"kHz/%X10
position 6"
"-50 dBm'
•. 5 v •
"RF Frequency
150.2000 MHz"
"PWR' or ''BATT''
"2
kHz/%X10"
"1 mS/Div"
"LOCK"
" 1 0 K'
" G EN "
as req'd
For Accurate Power Meter measurements, set RF Level
Attenuator Control (9) to any position other than
-20 dBrn.
4 -4 0
06