SLT12 User Manual
14
4) Using the tubular level to level the instrument precisely
①
Loosen the horizontal brake screw and turn the instrument so that the tube level is parallel to the line of foot
spirals A and B. By rotating foot spirals A and B, center the bubble of the tube level.
②
Rotate the instrument 90 so that it is perpendicular to the line of foot spirals A and B. Rotate foot C to center
the tube leveler bubble.
5) Precise centering and leveling
Looking at the center observation device, loosen the connection screw slightly and shift the instrument
horizontally (do not turn the instrument around) until the instrument aims at the station precisely. Tighten the
center connecting screw again to precisely level the instrument. Repeat the steps above until the instrument aims
at the station precisely.
3.3
Loading and unloading of the battery
Battery Information
-- Full battery, operation is available.
-- When this first appears the battery can support the instrument for another 4 hours.
-- The battery is low and should be replaced. If you are unsure of the time you will need the instrument to
operate, it is a good idea to prepare a spare battery in advance so you can carry on working.
-- The battery can last only a few minutes more, you should immediately replace the battery.
Notes:
① The time a battery can power the instrument will be affected by many factors, such as the ambient
temperature, recharging time, and recharging and discharging times. To be on the safe side we suggest you
recharge the battery fully or prepare several full batteries before operation.
② The battery symbol only indicates power capability for the current measurement mode. The power
consumption in distance measurement mode is higher than when in angle mode, if the instrument enters into
distance measurement mode from angle mode, the instrument may be automatically shut down because of
limited power.
Notes for loading/ unloading batteries:
▲ You should switch off the instrument before removing the battery
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