2. PRECAUTIONS
8
Storage precautions
• When storing the instrument, keep it in a place not exposed to direct sunlight and at the
temperature range from -30
to 60°C.
• Do not store the wet instrument in the carrying case. If any part of the instrument is wet,
thoroughly wipe off with soft cloth and leave it dry before storing in the carrying case.
Battery
• The battery is not charged when the instrument is shipped. Make sure to charge it fully before
use.
• If the battery is over-discharged, it may make re-charging impossible or shorten the running
time. Store the battery when it is fully charged.
• Even if the instrument is not used for a long period, charge the battery at least once per 3 to
6 months to maintain the performance of the battery.
• If the battery's running time shortens after using it for a certain period, contact your local
dealer.
• When using an external power supply, it should be rated between 9 and 20 volts DC.
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