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General Handling Precautions
Before starting work or operation, be sure to check that the instrument is
functioning correctly with normal performance.
Do not submerge the instrument into water.
The instrument can not be submerged underwater.
The instrument is designed based on the International Standard IP66,
therefore it is protected from the normal rainfall.
Setting the instrument on a tripod
When mounting the instrument on a tripod, use a wooden tripod when possi-
ble. The vibrations that may occur when using a metallic tripod can effect the
measuring precision.
Installing the tribrach
If the tribrach is installed incorrectly, the measuring precision could be
effected. Occasionally check the adjusting screws on the tribrach. Make sure
the base fixing lever is locked and the base fixing screws are tightened.
Guarding the instrument against shocks
When transporting the instrument, provide some protection to minimize risk
of shocks. Heavy shocks may cause the measurement to be faulty.
Carrying the instrument
Always carry the instrument by its handgrip.
Exposing the instrument to extreme heat.
Do not leave the instrument in extreme heat for longer than necessary.
It could adversely affect its performance.
Sudden changes of temperature
Any sudden change of temperature to the instrument or prism may result in a
reduction of measuring distance range, i.e when taking the instrument out
from a heated vehicle. Let instrument acclimate itself to ambient tempera-
ture. When a high degree of precision is required for measurement, provide
shade against direct sunlight for the instrument and tripod.
Battery level check
Confirm battery level remaining before operating.
Store with the batteries removed, when operation is halted for more than a
month. Leaving the batteries attached for extended period of time can result
in battery leakage, which may lead to malfunctioning.
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