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2.3 Function of each key
2.3.1 Power [ON/OFF] key
<Power ON and set the vertical angle 0 point>
Pressing the ON/OFF key turns on the power supply and the message
”0 SET”is displayed.After the ”0 SET”of vertical angle is performed,
the Horizontal and Vertical angle are displayed and the instrument
enters into the angle measurement mode.
<Setting vertical angle 0 point>
Set the vertical angle 0 point by turning the telescope upward or
downward when the instrument is at the ”normal”position
(Vertical circle at left.)
<Power OFF>
To turn the power supply off,press the ON/OFF key for more than
1 second (”OFF”will display) and then release it.Power turns OFF.
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