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3) Use circular vial to roughly level the instrument.
Adjust length of three legs of tripod, make the circular vial bubble of the
instrument in the middle.
4) Use plate vial to level the instrument accurately.
①Rotate the instrument horizontally by loosening the Horizontal Clamp Screw
and place the plate vial parallel to the line connecting leveling screw A and B,
and then bring the bubble to the center of the plate vial by turning the leveling
screws A and B.
②Rotate the instrument 90°, make it perpendicular to the connecting line of level
screws A and B. Turn level screw C to make the bubble of the plate vial in the
middle.
5) Precisely centering and leveling
Through observation of optical plummet, slightly loosen the central connecting
screw and move the instrument evenly (Don’t rotate the instrument), making the
instrument precisely collimating to the station point. Then tighten the central
connecting screw and level the instrument precisely again.
Repeat this operation till the instrument collimate precisely to the measurement
station point.
2.3 BATTERY POWER REMAINING DISPLAY
Battery power remaining display indicates the power capacity.
Note:
①The battery operating time will vary depending on the environmental conditions
such as ambient temperature, charging time, the number of times of charging and
discharging, etc. It is recommended for safety to charge the battery beforehand or
to prepare spare fully-charged batteries.
②The battery power remaining display shows the power level regarding the current
measurement mode. Distance measurement consumes more power than angle
measurement. Pay particular attention to this when switching angle measurement
mode to distance measurement mode, because insufficient battery power might
force the operation interrupted.
Before outdoor operation, battery power status should be checked in advance.
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