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<LED/Buzzer Unit>
Removal
Turn the body or LED unit counter-clockwise to unlock,
then raise upwards to remove it.
Positioning Mark
<Locked>
<Unlocked>
LED Unit or Buzzer Unit
Body or LED Unit
Attachment
Align the positioning marks
after attachment.
Positioning Mark
<Unlocked>
<Locked>
Align the Positioning Mark after insertion, then turn the
unit clockwise to lock it.