HP 8920A Application Handbook page 106

FM Receivers
On the Test Set using the knob and data entry keys:
24 Verify Receiver's squelch is closed.
25 Set Amplitude to −137 dBm.
26 Slowly increase the Amplitude until the squelch remains open and the SI-
NAD indicator shows 10 dB (minimum).
CDCSS Sensitivity is displayed as Amplitude as shown.
104
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SINAD
0
CDCSS
Squelch Sensi-
tivity
RF Gen Freq
145.280000
MHz
Amplitude
0.351
uV
Atten Hold
On/Off
RX TEST
AC Level
dB
2.341
10.18 24
Avg
AFGen2
AFGen1 Freq
Filter 1
Send
1.0000 50Hz HPF
kHz Stop
AFGen1 To AFGen2 To
Filter 2
FM FM 15kHz HPF
3.00 5.00
kHz Hz
Ext Load R
V
To Screen
RF GEN
RF ANL
AF ANL
SCOPE
SPEC ANL
ENCODER
DECODER
RADIO INT