Lectrosonics UMCWB User Manual download pdf (Page 6)

UMCWB

LECTROSONICS, INC.6

Assembly and Installation

Assembly of the unit consists of installing the receiv-

ers in the frame and connecting the antenna leads and

power cables to each receiver.

“A” Antenna Leads

“B” Antenna Leads

Power Supply Leads

Installing the Receivers

1. Remove the U-channel wire cover by completely re-

moving the four counter-sunk phillips head screws

from the top of the unit. Underneath the U-channel

wire cover is a rectangular metal bar held down

by ﬁve counter-sunk phillips head screws. Loosen

these ﬁve screws ﬁve to seven turns (it’s not neces-

sary to remove them completely.)

Note: Before installing the receivers, be sure to

record the serial numbers and frequencies. This

information is printed on the side panel labels

which won’t be visible after installation.

2. Route the three longest “B” antenna leads behind

the post nearest the housing as shown here. Re-

move the screw from the post next to the housing if

necessary to route the longer “B” leads. The short-

est “B” lead should be routed along the housing

directly to the front panel.

“A” leads

Three longest “B” leads

Shortest “B” lead

Power cables

Cable routing prior to assembly

3. Route the antenna leads through the slots on the

front of the frame before mounting the receivers.

Start with the shortest “A” lead and the shortest “B”

lead for the receiver closest to the power supply,

then the next shortest A and B leads for the next re-

ceiver, and so forth. Each diversity receiver must be

connected to an “A” lead and a “B” lead for diversity

reception.

Shortest “B” lead

Shortest “A” lead

4. Insert the ﬁrst receiver into the slot nearest to the

power switch by sliding it under the wiring harness

and the rectangular metal bar. Be sure the front

panel of the receiver is fully inserted into the cutout

on the inside of the front panel. Install the remaining

receivers in the same manner.

5. Secure the receivers into the frame by tightening

the ﬁve counter-sunk phillips head screws in the

rectangular metal rod. Don’t overtighten!

With each receiver, route the

“B” antenna cable under the

bar and place it in the gap

next to the screw.

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Lectrosonics UMCWB User Manual Page 6

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