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ADJUSTMENT
As initial adjustment is completed, take note of the following
if readjustment is to be done.
o
Use a well-insulated screwdriver to perform adjustment.
o
Start to supply the device with power 30 minutes or more
before starting adjustment.
o
If some measuring instruments are needed, leave the ad-
justment to call the dealer.
o Adjust the zero of the voltmeter and the ammeter before
starting adjustment.
VOLTAGE ADJUSTMENT
Adjustment of V REF OFFSET
With the C V control turned fully counterclockwise, adjust
VR2 to read 0 V across (3) and (+^) of the rear panel.
Adjustment of V REF GAIN
With the C V control turned fully clockwise, adjust VR1 to read
10.25 V across (§) and CT§) of the rear panel.
Adjustment of V METER OFFSET
With the C V control turned fully counterclockwise and the
OUTPUT switch turned off, adjust VR8 so that the V-meter
read 0 V.
V OUT O F F S E T
With the C V control turned fully counterclockwise and the C C
control fully clockwise and the OUTPUT switch on, adjust
VR11 so that the V-meter read 0 V.
Adjustment of V METER GAIN
At the rated output, adjust VR7 so that the V-meter deflect
fully to the end of the scale.
Adjustment of V CHECK
With the V / I CHECK switch on, adjust VR5 so that the
V-meter read the output voltage.
CURRENT ADJUSTMENTS
Adjustment of I REF OFFSET
With the C C control turned fully counterclockwise, adjust
VR4 to read 0 V across (8) and (Q) of the rear panel.
Adjustment of I REF GAIN
With the C C control turned fully clockwise and the OUTPUT
switch on, adjust V R 3 so that the current become the rated
value plus 2 . 5 % .
Adjustment of I METER OFFSET
With the C C control turned fully counterclockwise and the
OUTPUT switch off, adjust V R 1 0 so that the l-meter read
0 V.
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