35
BASIC OPERATIONS
BASIC OPERATIONS
PREPARATION BEFORE MEASUREMENT
NOTE
If "Confirm abnormal action(+) of air check." or "Confirm abnormal action(-)
of air check." is displayed, the condition is not normal.
If there is any, remove it, press the button and do the check again.
If there is no object, a failure is suspected. Turn the switch to
OFF, unplug the power cable, and call your dealer or TOPCON at the
address printed on the back cover of this manual.
Confirm abnormal action(-) of air check.
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