IFR FM/AM-1200A Operation Manual page 178

Communications service monitor
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STEP
h.
i .
PROCEDURE
r=:l~r:::l~
Press:
~
L:J
~
L:J
and program the parameters of the
simulated mobile unit (FM/AM-1200S) used to call the UUT
(Repeater #1) on its busy Home Repeater channel.
Press:
~~~ ~~~ ~~~~~~and
program
(#1) and Free <#2) Repeater so the
to the Free Repeater.
the parameters of the Home
FM/AM-1200S will handoff
It may be necessary to use the FM/AM-1200S to perform
repeater encode and decode tests (5-13-6) on Repeater
#2 to determine the assigned repeater system number of
Repeater #2.
j.
Turn MODE Switch (39) to "DUP."
k.
Adjust SQUELCH Control (41) until SIG Indicator Lamp (42) just
goes out.
3.
If a mobile unit is used to keep the Home Repeater Channel of
Repeater #1 busy, press and hold its PTT switch ..
4.
~~1:::1~
On FM/AM-1200S,
press:~~~~
following message as Repeater #1 waits
The VFD shows the
for a mobile access:
When the FM/AM-1200S attempts to call the busy Home Repeater, the
following message is seen briefly on its VFD to indicate the fact
that the channel is in use:
The UUT then attempts a "Handoff" of the mobile unit (the
FM/AM-12005) by transmitting a handoff message to it.
The
FM/AM-12005 will change frequencies (channels) to one derived
from the channel information contained in the last handoff
message and preprogrammed channel values in the FM/AM-12005.
5-60c
08

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