Specifications

Section-5 Maintenance
November 11, 2013
5‐16
Copyright©2013,HarrisBroadcast
WARNING:Disconnectprimarypowerpriortoservicing. 888‐2628‐300
Note
Be sure to enter the incident (forward) coupler’s offset into the power meter. Different couplers will have
different coupling values. The coupling values also change with frequency.
STEP 3 Endofprocedure.
Figure 5-10 Cabinet Power Calibrate Screen (Analog)
Figure 5-11 Cabinet Coupler
5.9.2.3 CalibrateSystemForwardSound(aural)Power
Thisproceduremustbeperformedaftercalibrationofforwardvisualpowerasdescribedin5.9.2.1onpage5‐14:
STEP 1 EnablesoundcarrierviatheApexM2Xcontrolscreens.
Note
If the transmitter is on, the visual carrier power will decrease slightly when the sound (aural) carrier is
turned on.
STEP 2 Select0%APL(BlackLevel)atvideogenerator.Connectgeneratoroutputto
transmittervideoinput.
Forward
Coupler
Coupler
Reflected