Specifications

J.9.9 Peak And Average Current Overload
a. Turn the Average current overload R17 fully CW.
b. Preset the Peak current overload R113 for 9.5VDC meas-
ured at TP23.
c. Operate the transmitter at 100kW and modulate with a
20Hz sinewave at 100% negative peaks.
d. Increase the audio level by 1.4 dB, PA current should be
between 750 and 850 A.
e. Adjust the Peak current overload R113 until the current
limit LED DS5 just begins to illuminate RED with modu-
lation.
f. Reset the audio for 100% negative peaks.
g. Increase the audio by .5 dB and adjust the Average current
overload R17 until DS5 just begins to illuminate RED.
h. Increase the audio in 1dB steps noting the PA current
should not increase further than near full scale on the PA
current meter.
i. Keep increasing audio level until the transmitter shuts off
and recycles back on. If the audio level is not reduced, it
may shut off and stay off at this time.
j. The OvercurrentLED will illuminateRED and can bereset
from the LED panel.
k. Turn the transmitter back on and verify that the transmitter
should take at least 10dB of audio overdrive before shut-
ting off.
J.9.10
Zero Adjust
Operate the transmitter at 100 kW and apply an RF Mute. Adjust
R35 Zero Adjust for a zero indication at the Remote Indicator.
888-2339-002 J-9
WARNING: Disconnect primary power prior to servicing.