Pentax ETH-310 - Manual (Page 7)

7
1. General
1.1 Precautions
Storing and environmental conditions
• Do not use the instrument until it has adjusted to
the ambient temperature.
• Avoid using at a high or low temperature.
The instrument may not work normally at
temperatures exceeding –10 or +50˚C.
• When the instrument gets wet,
wipe off the water immediately and let it completely dry
outside of the case. Store in the case after completely dried.
• Be sure to store instrument in the case. Avoid storing in a place that is
subject to high temperature, high humidity, or dust.
• When not in use for extended periods, remove a battery from the
battery box. Also remove the instrument from the case and expose
to the air periodically.
Battery
• Batteries can naturally discharge due to shipment time.
Use new batteries for the first job.
• The four (4) batteries, in a battery box, should be of the same type.
• Do not use batteries, in a battery box, which have different remaining
capacities.
• Do not touch the liquid of leaking batteries.