GMI V!SA Manual De Instrucciones página 77

Note: Always use three new LR6 (AA) size batteries. Do
not mix old and new batteries.
• Make sure that the batteries are replaced using
correct polarity for + and -
• Replace the battery cover plate then tighten the
retaining screw in a clockwise direction using the
Battery / Sensor Grille Key (Part No.66166).
Note: Care must be taken not to overtighten the
retaining screw.
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