GTR 8000 Base Radio
6
Connect the service monitor to the base radio:
a. Remove the N-Type connector from the Transmitter Antenna Port.
b. Connect an N-to-N cable from the Transmitter Antenna Port to the T/R port of the service monitor
c. Make the following settings on the service analyzer:
• Click
Receiver (TX Test)
.
• Enter the frequency to match that of the base radio TX channel selected.
• Click
INPUT PORT
and set to T/R.
• Click
ATTEN
and set to 20 dB.
• Click
DEMOD
and set to P25.
• Click
IF BW
and set to 12.5 kHz
• Click
RF GEN
to turn OFF the Signal Generator Output.
d. Click
Options
. Enable and make the following selections in the Spectrum Analyzer, EVM Data, Power
Meter, and Modulation Plot, as follows:
• Expand the Power Meter and set to
AR
(Autorange). If necessary, change to 0. Press
Return
.
Verify that Cable Loss is 0. If cable loss is anticipated, expand the Power Meter and enter the
cable loss factor.
• Set the RF Error Meters to
AR
(Autorange).
• Set the modulation Meter to
AR
(Autorange).
7
Set up the test in CSS by selecting
V.52
in the
Pattern Type
field.
5-42
6871022P86-A - November 2012
Summary of Contents for GTR 8000
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