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3-3-9
DUPLEX SCREEN
The Duplex O per ation Scr een is used to define and activate the CO M- 120C RF
G ener ator and RF Receiver simultaneously at the same fr equency or offset fr equencies
and is accessed by pr essing the DPLX Test Mode Key.
The Duplex O per ation Scr een displays in the configur ation last used.
1. Header Bar
Displays cur r ent oper ation
mode.
2. Duplex G ener ate Pr ompt
Accesses Duplex Generate
Operation Screen.
3. Duplex G ener ate RF Field
Displays cur r ent Duplex
G ener ate Fr equency.
Range is 0.0000 to
1000.0000 MHz.
4. Fr equency O ffset
Displays fr equency
differ ence between
Duplex G ener ate RF Field
( 3) and Duplex Receive RF Field ( 20) . Range is fr om - 999.7500 to 999.750 MHz.
5. O utput Level
Displays O utput Level. If T/R Connector is selected for O utput ( 6) , r ange is - 130
to - 40 dBm, 0 to .002236 V, 0 to 2.2360 mV or 0.07 to 2236.0 µV. If AUX RF
Connector is selected for O utput ( 6) , r ange is - 130 to - 13 dBm, 0 to 0.050059 V,
0 to 50.0593 mV or 0.07 to 50059.3 µV.
6. O utput
Displays O utput Connector . Displays T/R, T/R G ate, AUX or AUX G ate. G ated
O utput is active only when micr ophone, attached to MIC/ACC Connector , is keyed.
7. Modulation Sour ce Window
Displays active Modulation Sour ces. Inactive Modulation Sour ces ar e not shown.
If two ( or mor e) sections of the RF Modulator ar e set in conflict ( e.g. G EN1 set for
PM and G EN2 set for FM, or G EN1 set for 0.01 kHz deviation and G EN2 set for
2.60 kHz deviation) the scr een displays the invalid sour ce gr ayed out.
22
1
21
20
DUPLEX
RECEIVE AND GENERATE
RECEIVE
19
RF :
525.0000 MHz
18
FL :
OFF
Input :
T/R
Atten:
17
Demod :
FM
IF BW: 15 kHz
16
Tone/Data Code:
DCS
- - -
15
DEVIATION:
5.0 kHz
14
AF FREQUENCY
1000 Hz
13
DISTORTION:
3.0
%
RF Power:
0.0
mW
12
RF Error Freq:
0.001
11
10
Duplex Scr een
3-17
GENERATE
RF :
525.0000 MHz
Offset :
0.0000 MHz
0 dB
Level :
- 40.0 dBm
Output :
T/R
GEN1
Mod Src : GEN 1
FM
Deviation :
5.0 kHz
Format : TONE
Freq : 1000.0 Hz
Shape : SINE
kHz
9
SECTION 3
COMPOSITE
2
3
4
5
6
7
8
00607041
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