6-42
SECTION 6
OPTIONS
6-12-14 LTR RADIO RECEIVE TEST
This test verifies that the COM-120C is able to link with the Mobile Radio and an audio
modulated RF Signal transmitted by the COM-120C is received by the Mobile Radio.
Perform these additional tests simultaneously: AUDIO/DATA IN Meters to measure
Distortion, SINAD and AF Level of the signal demodulated by the Mobile Radio.
o If AUDIO/DATA IN Meters (13) are required,
set following parameters:
Modulation Source for
GEN1
.
Modulation Type (10) to
FM
.
Deviation/Modulation Level for
3.30 kHz
.
Frequency/Code Field for
1000.0 Hz
.
o Set Goto (23) to Home Repeater Number for
Mobile Radio.
o Set Group (24) for ID Code of Mobile Radio.
o Set Status (25) to
CONT
.
o Set Home (27) to Mobile Radio Home
Repeater Number.
o Set Area (28) for Mobile Radio Area switch
setting.
o Connect Mobile Radio RF Output to connector specified by Input (20).
o Connect Mobile Radio RF Input to connector specified by Output (6).
o Connect Mobile Radio Audio Output to AUDIO/DATA IN Connector.
o Verify 1000 kHz audio tone is audible.
o Verify AUDIO/DATA IN Meter Measurement, if required.
00607237
Group
GotoArea
Home
Free
151
9
0
5
9 Status CONT
23
24
2526
27
28
00607238
Group
In UseArea
Home
Free
151
9
0
5
31 CONNECT-DSP
29
30
32
33
34
31
To Next Page
General