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FM Receivers
82
On the Radio set the Receiver’s Controls as follows:
9 Set power to ON.
10 If required, set frequency to the same value as step 4
11 Set squelch to minimum.
12 Set RF Gain to maximum (if equipped).
13 Set coded squelch feature (if equipped) to OFF.
Refer to "Coded Squelch" on page 47 for information on opening
Receivers with coded squelch.
14 Slowly increase volume control until the AC Level reaches the Receiver’s
rated output power, or reaches a maximum level (stops increasing).
Refer to audio output specifications for the Receiver being tested as
required.
NOTE: If the rated output cannot be obtained, troubleshoot and repair the Receiver’s
audio stages is necessary.
Measurement results are displayed on the Test Set as shown.
To Screen
RX TEST
AC Level
Filter 1
50Hz HPF
Filter 2
15kHz HPF
Atten Hold
On/Off
Ext Load R
8.00
Ω
RF GEN
RF ANL
AF ANL
SCOPE
SPEC ANL
ENCODER
DECODER
RADIO INT
More
W
dB
0.06054
SINAD
RF Gen Freq
145.280000
MHz
Amplitude
0.267
uV
Output Port
RF Out/Dupl
AFGen1 Freq
1.0000
MHz
AFGen1 To
3.00
kHz
FM
AFGen2 Freq
1.0000
Hz
AFGen2 To
Off
mV
FM
012.09
Avg
24
Audio (AF)
Output Power