Subject to Export Control, see Cover Page for details. 2-95
2-5-2. TYPICAL VEHICLE INSTALLATION TEST (cont)
11. Press the F2 “Return” Key to display the Duplex Test Screen.
DUP LEX TE ST SETUP
Modul ation Meter 3 DCS Decode 0
R SSI M eter : 6 Audio Leve l 0
R F Er ro r Met er: 9
R F Power Me ter 0
SINAD Meter 0
D istortion M eter: 0
AF Counte r 0
DTMF Decode 0
Do n e Return
1
4
3
6
9
4 1 20 29
Edit Re tur n Hold Setup Pt t on
DUPL EX TEST
Ge ner ato r Off Receiver Mo re
MHz: 40.000000 MHz: 40.000000 MOD-FM Dev
Po rt: T/R Po rt: T/ R 16.4 35 k Hz
Le vel: - 70 d Bm Mo d: FM 10 k
Ext A ttn d B: 0 AFBW : No ne
Mo du la tor Fre q FM A nal o g
Ge n 1: On 1000.0 Hz 6.25 kHz RSSI
Ge n 2: On 150.0 H z 3.25 kHz 0.0 dBm
MI C: On 6.25 kHz
Ext Aud: Off Load: High Z
Volume: 10 0
Sq uelch: - 50 dBm RF Er ror
Speaker: Audio In 0.0 kHz
AudOut : Audio In
Save Recall
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12. Stand within 5 ft of the vehicle antenna.
13. With a second operator in the vehicle, talk back and forth on several frequencies to
determine that the radio is transmitting and receiving messages over the entire system.
Monitor field strength indicator for proper signal level.
Repeat this test at different locations around the antenna.
14. If malfunction(s) occur in the testing process, check the Antenna under test first using SWR.
15. If Antenna test is positive, troubleshoot malfunction(s) in Radio.
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