YR-1190
-12-
Machine maintenance
Lens of the led face should be cleaned usually, this will make the light beam
penetrate normally. Clean frequency depends on environment.
In humidity and
foggy or dirty environment, lens will easily accumulate dust.
* Use soft flax cloth or special depurative to clear lens
* Clean the components carefully.
* Clean the lens at least 1 time every 20days.
Summary of Contents for YR-1190
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