GTR 8000 Base Radio
2
Locate the transceiver module you need to replace.
3
If the transceiver module is not operational, skip to
.
4
Connect to the base radios transceiver module Ethernet service port using Configuration/Service Software
(CSS). See
4.4.4 Connecting Through an Ethernet Port Link, page 4-11
.
5
Save the base radio configuration to the laptop PC as follows:
a. Select
File → Read Configuration From Device
from the menu.
b. At the success message, click
OK
.
c. Select
File → Save As
from the menu. On the Properties Screen enter the IP address of the base radio.
Click
OK
.
d. On the Save window, select the directory where you want to save the configuration file, type a meaningful
name for the file (use .cpl as the extension or do not type an extension). Press ENTER.
Step result:
The base radio configuration is saved to the location indicated. The configuration file will be
reloaded later to the replacement transceiver.
6
For a trunked base radio, disable the channel before replacing the module, so the system does not attribute the
loss of channel to a failure. Disable the base radio as follows:
It is not necessary to turn off the power supply for the transceiver module being replaced, as the modules
are designed to be swapped out with the power on.
If you choose to turn off the power, set the rocker switch on the front of the associated power supply
to the Off (0) position.
a. Select
Service → Test Measurement Screen
from the menu.
b. Click
Change to Service Mode
.
Step result:
The base radio is disabled.
7
Disconnect the Ethernet cable from the service port on the transceiver being replaced.
8
Remove the fan assembly to gain access to the transceiver module. See
9.3 Replacing the Fan Assembly, page
for instructions on removing the fan assembly.
Although the transceiver module is designed to be swapped out without shutting the power off, you should
minimize the amount of time that the fan assembly is removed, so the circuitry that remains powered
on does not overheat and shut down.
9
Label and disconnect all cables from the ports on the transceiver.
10
Using a T20 bit, loosen the two captive screws on the front of the transceiver module, so that they disengage
from the chassis.
9-6
6871022P86-A - November 2012
Summary of Contents for GTR 8000
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Page 177: ...5 8 1 3 VHF Tuning Procedure Figure 5 1 Preselector Tuning VHF 6871022P86 A November 2012 5 7 ...
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