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.
Summary of Contents for ETH-302
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Page 17: ...17 The error OVER RANGE is displayed when the telescope exceeds 45 100 in the V display mode...
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