SHIMPO CAG-2000 1 Channel - Manual (Page 33)

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10.2 Indication below mastering range
(1) When the indication does not reach the mastering range, the instrument is insufficient
in sensitivity. With the maximum master set in the measuring head, turn the
sensitivity adjustment knob clockwise so that the indication exceeds the maximum
master value by about 5 times the insufficiency from the maximum master value.
(2) Turn the zero adjustment knob clockwise to set the zero position at the maximum
master value.
Fig. 10-7. Adjusting for indication below mastering range.
(3) Set the minimum master in the measuring head. When the indication is about the
minimum master value, the adjustment is finished.
When the indication is not about the minimum master value, turn the zero adjustment
knob to bring the indication to the minimum master value. Set the maximum master
in the measuring head. If the indication does not come to about the maximum
master value, repeat steps (1) and (2) in 10.2 or 10.3.
ＺＥＲＯ
ＭＡＧ
ＧＡＧＥ
ENT
RST
SET MAS
C A G
2000
Turn to bring
indication to 100
Insufficiency × 5 + Maximum master value
= 30 × 5 + 20
= 170
However, alphanumeric display cannot
show more than 100
1 3
S E T M AS
2
Insufficiency
of 30
µm
Maximum
master value
ＺＥＲＯ
ＭＡＧ
ＧＡＧＥ
ENT
RST
SET MAS
C A G
2000
Turn to bring
indication to
maximum master
value
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