II RECEIVER
NOTE:
Insure that the proper channel has been selected before preceding with the
alignment procedure.
1. Power Supply Voltage
The proper voltage for testing is 6.0 VDC.
2. Receiver Alignment
A. Connect an RF signal generator or Communications Service Monitor to the
antenna connector.
B. Connect a SINAD meter and oscilloscope across the speaker terminals.
C. Set the output level of the RF signal generator for -47 dBm. The generator should be set
for +/- 1.5 KHz deviation of a 1 KHz tone.
D. Set the audio output level for 0.6 Vrms. by adjusting volume.
E. Reduce the output level of the RF signal generator for produce a 6-12 dB
SINAD indication.
III. WEATHER
:
1. Power Supply Voltage
The proper voltage for testing is 6.0 VDC
2 weather
Alignment:
A. Connect an RF signal generator or Communications Service Monitor to the
antenna connector.
B.Connect a SINAD meter and oscilloscope across the speaker terminals.
C.Set the output level of the RF signal generator for -47 dBm. The generator should be
set for +/- 3 KHz deviation of a 1 KHz tone.
D.Set the audio output level for 0.6 Vrms. by adjusting volume.
E: educe RF output level to equal or less than
–
118dBm with condition of SIND=12Db.
