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Tribrach
• Always use the tribrach provided. During a traverse observation, it is recommended to use the same type of
tribrach for the target as well for accurate observations.
Backing up data
• Data should be backed up (transferred to an external device etc.) on a regular basis to prevent data loss.
Other precautions
• Never place the instrument directly on the ground. Sand or dust may cause damage to the screw holes or the
centering screw on the base plate.
• Do not perform vertical rotation of the telescope when using the lens hood, diagonal eyepiece, or solar filter.
Such accessories may strike the instrument causing damage.
• Protect the instrument from heavy shocks or vibration.
• Protect the instrument from rain or drizzle with an umbrella or waterproof cover.
• Never carry the instrument on the tripod to another site.
• Turn the power off before removing the battery.
• Remove the battery before placing the instrument in its case.
• Make sure that the instrument and the protective lining of the carrying case are dry before closing the case.
The case is hermetically sealed and if moisture is trapped inside, the instrument could rust.
• Consult your local dealer before using the instrument under special conditions such as long periods of
continuous use or high levels of humidity. In general, special conditions are treated as being outside the scope
of the product warranty.
Maintenance
• Wipe off moisture completely if the instrument gets wet during survey work.
• Always clean the instrument before returning it to the case. The lens requires special care. First, dust it off
with the lens brush to remove tiny particles. Then, after providing a little condensation by breathing on the
lens, wipe it with the silicon cloth.
• If the display is dirty, carefully wipe it with a soft, dry cloth. To clean other parts of the instrument or the carrying
case, lightly moisten a soft cloth in a mild detergent solution. Wring out excess water until the cloth is slightly
damp, then carefully wipe the surface of the unit. Do not use any alkaline cleaning solutions, alcohol, or any
other organic solvents on the instrument or display.
For temporal de-activating the touch panel, see "5.2 Display Functions Temporarily de-activating the
touch panel",
• Store the instrument in a dry room where the temperature remains fairly constant.
• Check the tripod for loose fit and loose screws.
• If any trouble is found on the rotatable portion, screws or optical parts (e.g. lens), contact your local dealer.
• When the instrument is not used for a long time, check it at least once every 3 months.
"21. CHECKS AND ADJUSTMENTS"
• When removing the instrument from the carrying case, never pull it out by force. The empty carrying case
should be closed to protect it from moisture.
• Check the instrument for proper adjustment periodically to maintain the instrument accuracy.
5
2. PRECAUTIONS
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