SHIMPO CEG-2000 - Manual (Page 20)

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6.4.2 Adjusting the detectors
No adjustment is required except after the measurement head is replaced.
1) ZERO ADJ (zero adjustment)
In the following procedure, the small master is used to match the small master
value and the bar display position.
(a) In Measurement Mode, hold down the right arrow (MAS) key for at least
two seconds.
(b) The “MAS” LED (orange) will light up, “MIN M.” will be displayed, and
the unit will switch to Master Matching Mode.
(c) Press the right arrow button.
(d) The unit will switch to Detector Adjustment Mode and “ADJ” will be
displayed.
(e) Use the up and down arrow keys to switch to the item to be adjusted (Item
1 or 2). The item currently shown in the bar display is indicated on the
Item/Decision Lamps. In addition, the Detector Name for the measuring
unit the item is using for measurement is shown in the eight-digit display.
(f) Press the ENT key.
(g) “ZERO ADJ” will be displayed.
(h) Press the ENT key.
(i) The name of the measurement unit that the item selected in (e) uses, as well
as its current ZERO ADJ setting will be displayed.
(j) If the ZERO ADJ setting is not displayed, it is because the item selected in
E has data for two measurement units. Use the left and right arrow keys to
toggle between the ZERO ADJ settings for the two units.
(k) Set to small master and use the up and down arrow keys to adjust each
measurement units ZERO ADJ setting so that the item’s data approaches
the small master setting.
(l) After setting is compete, press the ENT key.
(m) “GAIN ADJ” will be shown in the eight-digit display. Proceed to set the
GAIN ADJ setting.