Chapter 8: Audio Module, Rev 1.1
8.2 Audio Mounting
8.2.1 Mounting Bridge Microphones
8.2.1.1 Microphone Mounting
It is important that the surface on which the microphone is mounted be clean, dry, and smooth.
The Mushroom-Lock fastener’s adhesive must make complete contact with the mounting surface
or the adhesive may not stick properly. Clean the surface thoroughly and remove any loose
material, such as paint flakes and labels.
The microphone may also be mounted on top of the microphone junction box. If so, the
microphone junction box must located where the microphone will provide the required coverage.
If these surface conditions cannot be met, and the junction box cannot be located in an
acceptable position for microphone coverage, then the microphone can be secured with
hardware. (Any such hardware is not supplied with the VDR100-G3),. The choice of hardware
depends on the surface where the microphone is to be installed and the mounting method.
To mount the microphone with additional hardware:
1. Temporarily
remove the microphone cover;
2. Carefully drill the mounting holes in the sides of the microphone PCB or assembly to
match the mounting hardware;
NOTE: Do not over tighten the hardware or the microphone base may crack or split.
3. Mount the microphone with the selected hardware; and
4. Replace the microphone cover.
VDR-100G3/G3S Installation Manual 06/10/2008
8-7
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