10/6/10
888-2629-200
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WARNING: Disconnect primary power prior to servicing.
Section 5 Maintenance and Alignments
Maxiva ULX COFDM Series
Figure 5-11 Threshold Setting Screen
5.8.5.1
Exciter A & B Threshold Settings
Exciter A and B detector levels should be approximately 2.7V. This assumes a 100mW
(average) out.
Exciter A and B threshold levels can be set using the following steps:
STEP 1
Set the exciter to nominal output 100 mW (average).
STEP 2
Lower exciter output power to 50 mW (using the web browser)
.
STEP 3
Press the threshold Cal window and adjust the Cal value higher in
.1 V increments until the red fault LED on the TCU exciter switcher
card lights.
NOTE:
To view the LED on the exciter switcher card the front panel of the TCU must be
pivoted downward.
STEP 4
Lower the threshold Cal window value in .05 V increments until the
red LED on the exciter switcher card goes out.
STEP 5
Press done to accept this level
.
Summary of Contents for Maxiva ULX
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