STAMOS TRUE COLOUR GLASS X-100B Manual De Instrucciones página 30

Battery replacement
When the battery level is low, the low battery LED indicator will light up. The lens of
the filter may not be working properly. In this case, replace the batteries.
To replace the batteries:
1) Slide the battery compartment cover with the battery out of the control panel
housing.
2) Remove the old battery from the holder.
3) Replace with a new CR2450 lithium battery (same type as the old battery).
4) Make sure the positive (+) pole of the battery is facing up (towards the
operator's head).
5) Replace the battery compartment cover with the battery in place.
6) Press the TEST button. The lens should darken for a moment.
5)
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