SHANGHAI ESURVEY GNSS CO., LTD.
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6 Maintenance
6.1 Cleaning and Drying
About cleaning and drying, please note the following:
Please wipe up the painted surface.
Please blow dust off lenses.
Please use only a clean degreasing cotton for cleaning up. If necessary, please
moisten the cotton with little pure alcohol. And please do not use other liquids (oil,
gasoline, water, etc.) which may attack the polymer components.
Please never touch the glass with your fingers.
Please be careful to wipe damp instrument. Please take out the instrument from
case and make it completely dry. And do not store the instrument in case. Besides,
please keep the case clean inside and outside, and keep it dry.
6.2 Storage
About storage, please note the following:
When the instrument is stored for a long term, please take it out from case in order
to allow the air to circulate and avoid lens’s mildew.
Storage must be under the conditions of dust prevention, air circulation and low
humidity. Thus, please use desiccator and fuming cupboard in wet areas, and do
not move the instrument indoors during the period of not using it in cold regions.
And please keep it in safe places under ambient temperature, which can prevent
water vapour from condensing on optical glasses and inside the instrument.
6.3 Transportation
About transportation, please put the instrument into the case which includes foam inserts
or other shockproof stuff for long-distance transportation.
6.4 Check
About check, please regularly check the instrument, and adjust it according to instruction
manual if necessary.
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