e-survey ET2A User Manual page 15

Electronic digital theodolite
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Keyboard
Keys
0SET
Set the horizontal angle to 0.
R/L
Set the horizontal angle right or left.
HOLD
Hold the horizontal angle.
Set the display unit of the vertical angle (° or %) by pressing 1 second and turn
V/%
on or off the laser pointer by pressing 3 seconds.
Turn on or off the light by pressing 3 seconds.
Power on or off the instrument by pressing 3 seconds and turn on or off the laser
plummet by pressing 1 second after powering on the instrument.
Configure the instrument.
+ R/L
Measure the same horizontal angle several times.
+ HOLD
SHANGHAI ESURVEY GNSS CO., LTD.
Meaning
7

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