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2. PRECAUTIONS
Charging Battery
• Be sure to charge the battery within the charging temperature range.
Charging temperature range: 0 to 40°C
Warranty policy for Battery
• Battery is an expendable item. The decline in retained capacity depending on the repeated charging/
discharging cycle is out of warranty.
Precautions concerning water and dust resistance
The instrument conforms to IP54 specifications for waterproofing and dust resistance when battery cover,
connector cap and the Wide-angle camera lens cap of the instrument and are closed.
• Be sure to correctly attach the connector caps to protect the instrument from moisture and dust particles
when the connector is not in use.
• Make sure that moisture or dust particles do not come in contact with the terminal or connectors.
Operating the instrument with moisture or dust on the terminal or connectors may cause damage to the
instrument.
• Make sure that the inside of the carrying case and the instrument are dry before closing the case. If
moisture is trapped inside the case, it may cause the instrument to rust.
• If there is a crack or deformation in the rubber packing for the battery cover, stop using and replace the
packing.
• To retain the waterproof property, it is recommended that you replace the rubber packing once every
two years. To replace the packing, contact your local sales dealer.
The Lithium Battery
• The lithium battery is used to maintain the Calendar & Clock function. It can back up data for
approximately 5 years of normal use and storage (Temperature = 20°, humidity = about 50%), but its
lifetime may be shorter depending on circumstances.
The Levelling Base
• Always use the levelling base provided.
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.
Tripod
• When mounting the instrument on a tripod, use a wooden tripod.
Do not use a metallic tripod.
Heat Release
• To prevent malfunction caused by a temperature rise inside this instrument, heat vents are provided to
release heat. Do not cover the vents when in use. When installing this instrument, keep the vents away
from a wall.
Heat vents
Heat vents