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Installation Instructions
3M Communications Bar
78-6911-4451-9
Purpose
The 3M Communications Bar provides audio communication between the customer and store personnel in
standard intercom applications and in wireless intercom face-to-face installations.
The communication bar can be mounted in one of two locations:
D
On the outside wall of the building next to the face-to-face window.
D
On the speaker post
Procedure
Mounting the Communications Bar:
1. To gain access to the mounting holes, remove the cover mounting screws and the cover. See Figure 1.
Figure 1. Cover and Mounting Screws
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