All-Engineering BV
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By gently turning the housing upside down the printed circuit board will fall out and the
component side will be visible now.
As shown above push the battery out of its holder by using the back side of a swab. Take the
new battery and push it in the battery ho
lder with the “+” mark on top.
When the new battery is placed, lay back this part of the board where the blue led is situated.
The led will be positioned in front of the recess. Next you can lay down the whole board in the
housing. Next you can place the cover and tighten the screw.
