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SECTION 3
COMPOSITE
3-3-8
RF RECEIVE SCREEN
The RF Receive O per ation Scr een is used to define and activate the CO M- 120C RF
Receiver and is accessed by pr essing the REC Test Mode Key.
The RF Receive O per ation Scr een displays in the configur ation last used.
1. Header Bar
Displays cur r ent oper ation
mode.
2. RF Field
Displays cur r ent RF
Receive Fr equency.
Range is fr om 0.0000 to
1000.0000 MHz.
Scan Function sear ches a
specified Fr equency List
( 3) r ange, stopping for a
selected time per iod or
when squelch is br oken.
Sweep Function sweeps a
set r ange of fr equencies,
incr easing or decr easing
fr equency at set r ate and
stopping for a set time or when squelch is br oken.
∆ Function allows change of fr equency in selected incr ement (∆) .
3. FL ( Fr equency List) Setting
Displays selected Fr equency List number ( FL- 00 thr ough FL- 99) when active and
O FF when inactive. RF Field ( 2) echoes fr equency of selected Fr equency List
setting. Dir ectly editing RF Field ( 2) inactivates FL Setting. Displays optional
Fr equency List Label if used.
4. Input Connector
Displays connector selected for input. Displays either T/R or ANT.
5. Demodulation Type
Displays selected Demodulation Type. Selections include FM, AM or PM.
6. Attenuation
Displays selected attenuation of input signal. Displays either 0 or 30.
1
19
RECEIVE
dBm
ANALYZER
-40
-50
-60
-70
-80
18
-90
-100
-110
-120
17
16
AF FREQUENCY:
RF ERROR
- 0.034 kHz
104.999966 MHz
15
-100
100
14
RF Receive Scr een
3-14
2
3
RF:
105.0000 MHz
FL:
OFF
Input:
ANT Atten:
Demod:
FM IF BW: 15 kHz
AF GEN OUT
LINE:
MOD MTR
HPF:
OFF
LPF: 20kHz
BPF:
OFF
Tone/Data Code:
POCSAG
1 MHz
0
Hz
DISTORTION:
+++
REC LEVEL
DEVIATION
- 39.1 dBm
- 0.05
-120
-25
0
13
4
5
6
0 dB
7
OFF
8
9
%
10
kHz
11
2
12
00607009
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