Extron electronics VoiceLift Operations Instructions download pdf (Page 47)

5-3

VoiceLift

™

Microphone • Installing and Mounting the Receiver

PRELIMINARY

Room factors to be considered should include, but are not conﬁned to:

• Room conguration

• Line-of-sight obstructions between microphone and receiver

• Ceiling and wall type (important in assessing the installation hardware

needed)

• Location of the VLR 102 receiver

 Best location is on the ceiling, at the middle of the classroom.

 If ceiling mounting is not possible, place high and centered on the longest

wall.

Student Desks

Teacher’s Desk

TV / VCR / DVD

Inputs

Screen/White

Board Location

MLC Controller

Location

PVT A/V Wallplate Location

Projector/

Switcher

Location

Speaker

Locations

Potential

VLR 102 IR

Receiver

Locations

Example of a classroom installation

 Locations to avoid:

• Places where line of sight could be obstructed; e.g., too close to the

projector

• Corners of the room

• On walls, at less than 6' or more than 12' up from the base

• Areas that receive direct sunlight

• Need for optional VLR 102 SR secondary receiver

One or more secondary receivers (VLR 102 SR) may be needed if:

 The room is larger than 40' by 40'.

 Obstructions exist between the microphone and the receiver.

 The room is odd-shaped, e.g., L-shaped or long.

 The room has recessed or sheltered areas, such as alcoves or bays.

 The room has large windows or windows on multiple walls.

 Portions of the walls are dark and/or covered. Dark surfaces reduce

signal reection.

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Extron electronics VoiceLift Operations Instructions Page 47

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