Duplex Generate Mode Cfm/Am-1200A Only) - IFR FM/AM-1200A Operation Manual

Communications service monitor
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ENTER:
~.-
Use
~
Key until (-)sign appears in front of
offset frequency.
A generated RF frequency of 152.51 MHz with
5 kHz deviation @ -60 dBm is present at DUPLEX
Output Connector (14).
T/R Connector (11) is
set to receive an RF frequency of 157.77 MHz.
A signal of 152.51 MHz with 5kHz deviation@
-80 d Bm is also present at the T /R Connector
( 11 ) .
4-7-6
DUPLEX GENERATE MODE (FM/AM-1200A ONLY)
In Duplex Generate Mode of operation, the signal is present at the T/R
Connector (11) only.
There is NO signal present at the DUPLEX Output
Connector (14).
The output frequency at the T/R Connector (11) is the
RF setting plus the OFFSET frequency with the output level controlled by
the RF Level attenuator control (9) and RF Level Attenuator Vernier
Control
(10).
The FM/AM-1200A receiver
will
monitor the FM/AM-1200A
generator.
[NOTE\
FM/AM-1200S/A is forced into the generate mode
and will not switch to receive mode when trans-
mitting into T/R Connector (11).
EXAMPLE:
RF Setting
=
OFFSET Setting:
Output Frequency @ T/R
157.77 MHz
-5.26 MHz
Connector ( 11)
=
152.51 MHz
4-4 3
02

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