Backing up data
• Data should be backed up (transferred to an external device etc.) on a regular basis to prevent data loss.
Use under low temperatures (Low Temperature Model only)
• Do not use force to scrape off frost from the lens or display unit screen. Frost is an abrasive material and may scratch the instrument.
• If ice or snow attaches itself to the unit, wipe it off with a soft cloth, or place the unit in a warm room until the ice melts, and then wipe off the meltwater. Operating the unit with ice or snow attached may cause operation errors to occur.
• Wipe off condensation with a soft cloth before using the instrument. Not doing so may cause operation errors to occur.
• The working duration of battery BDC70 will rapidly decline in cold temperatures. When using the instrument in temperatures around -30°C, we recommend that you use an external battery (optional accessory). However, if you unavoidably must use battery BDC70 for measurements in temperatures around -30°C, recharge the battery in a warm room and keep the battery in a warm place such as your pocket until it is used. (Working duration of battery will change with environmental conditions.)
• The lens cap and lens hood may become difficult to attach in low temperatures. Keep them in a warm place such as a pocket until attached.
• If the unit is carried between locations that have extreme temperature differences, protect the unit from rapid temperature change by placing it in the carrying case.
• Please use the tribrach supplied as standard. If a different tribrach is used, angle measurement errors may occur.