Before going to the Leveling Menu from the ALC
Mode menu, select which input (front- or rear-
panel) the external ALC signal is connected to.
At the ALC Mode menu, press
Ext ALC Front
to se-
lect front panel input, or
Ext ALC Rear
to select
rear panel input.
Now, press
Leveling Menu
to go to the Leveling
Menu.
Next, select the type of external sensor you are us-
ing to detect the output power.
To select the external ALC input from an external
detector, press
External Detector
.
To select the external ALC input from a power me-
ter, press
Power Meter
.
After you have made the external ALC input connec-
tion and selected the sensor type, press
ALC Loop
.
The ALC Loop Menu (shown below) is displayed.
Press
Ext ALC Gain
to set the external ALC Gain.
While monitoring the power level at the external de-
tection point, use the cursor control key or rotary
data knob to adjust the ALC gain for stable ALC
loop operation.
To return to the Leveling Menu, press
ALC Mode
then press
Leveling Menu
.
LOCAL (FRONT
LEVELING
PANEL) OPERATION
OPERATIONS
681XXB OM
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