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Put the hanger in a location where it is easy to install the intercom
speaker.
Fix the hanger with four screws.
Set the intercom speaker to the hanger.
Tighten the knob bolts on both sides of the hanger.
Connect the signal cable.
1
Hanger
2
Tapping screw (PA4.0 x 25)
3
Intercom speaker
4
Hanger knob
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