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APPENDIX:
USER CALIBRATION
Calibration Instruments:
Calibration Procedures:
Granite Table
Grade AA (Levelled to ≤1.0 arcsec.)
Master Square
Flatness : ≤ 2.0µm
Perpendicularity: ≤ 2.0µm
Parallelism: ≤ 2.0µm
Ensure the DWL3000XY device is in power OFF
condition. Press and hold the CAL button by using a small
pin and simultaneously press the ON/OFF button. The
LCD screen displays “Calibration 1”.
2. Turn the device 180
°
to
Position 2
. Press the MODE
button again to start the calibration at “Position 2” and
wait until the countdown reach “0”, the LCD screen
displays “Calibration 3”.
3. Place the device 90° on the side of Master Square as
shown in
Position 3
. Hold the device firmly and do not
move the device during each count down period. Press
the MODE button again to start the calibration and wait
until the countdown reach “0”, the LCD screen displays
“Calibration 4”.
Position 3
Position 2
Position 1
Master Square
Granite Table
1. Place the device to
Position 1
. Press the MODE button
once and wait until the countdown reach “0”, the LCD
screen displays “Calibration 2”.