Zero Point Fine Adjustment; Sensitivity Fine Adjustment - KYOWA DPM-900 Series Instruction Manual

4-6-4 Zero Point Fine Adjustment

Capable of fine adjusting the output of OUTPUT A and
OUTPUT B. It is convenient for moving the baseline of the
external equipments, etc.
Press + or – of the V ADJ. switch to vary the output. In
addition, hold down the + or – of the V ADJ. switch to faster
the changing speed. The adjustment range of the zero point is
approximately ±50 mV from the balance adjusted value.

4-6-5 Sensitivity Fine Adjustment

Capable of fine adjusting the preset internal gain.
Either of the following 2 methods can be used for the sensitivity fine adjustment.
Basically, use the item 1) method. It is convenient to use the item 2) method for ACTL LOAD mode.
1) Sensitivity fine adjustment by the CAL ON switch
With pressing the + or – of the CAL ON switch, press the +
or – of the V ADJ. switch to change the internal gain.
+: Internal gain moves to a higher direction.
–: Internal gain moves to a lower direction.
In addition, hold down the + or – of the V ADJ. switch to
faster the changing speed. The sensitivity fine adjustment
range is ×1 to ×1/2.5.
2) Sensitivity fine adjustment by the SET switch
With pressing the SET switch, press the + or – of the
V ADJ. switch to change the internal gain.
+: Internal gain moves to a higher direction.
–: Internal gain moves to a lower direction.
In addition, hold down the + or – of the V ADJ. switch to
faster the changing speed. The sensitivity fine adjustment
range is ×1 to ×1/2.5.
NOTE
The internal setting range of the DPM-900/950 series is ×200 to ×20000. For details, read "5-7
INTERNAL GAIN."
Capable of adjusting the internal gain within the range of ×80 to ×20000 by conducting the
sensitivity fine adjustment.
When the internal gain lowers ×200, 0 (orange LED) of the bar graph meter flickers.
However, when the internal gain lowers ×200, specifications related to the performance is not
guarantee.
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V ADJ. switch
V ADJ. switch
SET switch
CAL ON switch