GTR 8000 Base Radio
11
Display the base radio’s transmission readings on the service monitor Rx Meter subscreen, as follows:
a. Click the Rx Meter subscreen.
Step result:
A panel of soft keys displays on the right side of the screen, including two
Reset
keys.
b. Click the
Reset Acquire
soft key on the right side of the screen. This re-synchronizes the test set with the
incoming signal.
c. Click the
Reset Meters
soft key on the right side of the screen. This stops, clears, and restarts the acquisition
of data for the data display fields.
Figure 5-30
HPD Service Monitor - Rx Meter Subscreen and Soft Keys (Aeroflex 3900 Series
Service Monitor)
12
On the RF Control Settings window of the service monitor, enter lower values in the
RF Gen Level
field until
1% BER is displayed on the CSS Test and Measurement screen. Compare the value in the
RF Gen Level
field
to the Receive Sensitivity 1% BER specifications for your HPD base radio configuration. See
Base Radio/GPW 8000 Receiver Specifications, page 1-12
.
Be sure to take cable and splitter loss into account.
13
Enter –70 dBm in the
RF Gen Level
field.
This should produce a 0.01% or better BER on the Test and Measurement screen in CSS. If it does not,
contact Motorola System Support Center (SSC). See
8.5 Using Motorola System Support Center (SSC),
14
When finished testing, perform the following steps on the CSS Test and Measurement screen:
a. Click
Stop BER Measurement
.
b. Click
Stop Pattern Transmission
.
15
If no further testing is needed, click
Change to Normal Mode
to return the base radio to normal operation.
5-56
6871022P86-A - November 2012
Summary of Contents for GTR 8000
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