Maintenance – Newcon Optik NVS 4 User Manual

Page 13

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6. MAINTENANCE

The device should be kept clean avoiding dust and dirt. The
outer surfaces of the optical parts should be clean always.

WARNING: It is prohibited:
-

to disassemble the scope;

to switch on the scope without protective cap and light
filter;

to apply exceeding force to clamp;

to use a battery of improper type;

to keep a battery into an unused scope for a long time.

The device is the subject of following periodic maintenance
procedure:
-

clean the scope against dust, dirt and moisture;

check out the contacts of power supply;

wipe grease spots on optical surfaces by clean napkin; in
case of significant pollution the alcohol can be used;