______________________________________________HARRIS
888-9058-001
WARNING: Disconnect and lockout AC primary power prior to servicing
120
Figure 4-19 Output Tab, Control Button
The left buttons will allow the muting of the RF drive to the PA Chain. This button will
mute the Exciter and activate the drive mute function of the AGC. If the RF switches are
active, the position buttons will operate the RF switches and illuminate to indicate
position and RF switch interlock status.
Figure 4-20 Output Tab, Service
Button, System Visual Selected
This screen is used to calibrate the System Visual power metering and reject loads.
Determine the proper forward power using the RF power meter and the precision
calibrated coupler. The offset can be entered into the digital power meter and power read
directly. Verify that the sample DC voltage is in a range of about 3 volts at TP 18 on the
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