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FM Transmitters
55
Once the desired carrier is found:
7 From Controls, select Main.
8 Select Marker from the Choices field.
9 Use the Marker To field to select the desired carrier.
On the Test Set frequency and level are displayed as shown.
10 To demodulate the carrier:
a With the marker on the desired carrier, select Marker To to Center
Freq.
b From Controls, select Main.
c Select Marker from the Choices field.
d Decrease the Span to 1.5 MHz (or less).
e Adjust the Volume and Squelch controls to listen to the demodulat-
ed carrier.
FM Off The Air Monitoring on a Known Transmitter Carrier Frequency
1 Press the PRESET key.
2 Press the TX key.
3 Set Tune Mode to Manual.
4 Set Tune Freq to known frequency.
5 Set Input Port to Ant
6 Set IF Filter to 230 kHz (if necessary).
Lvl
Freq
SPECTRUM ANALYZER
Marker
Level & Frequency
displayed
MHz
dBm
101.12980
-99.92
BW= 3 kHz