Lectrosonics UCR411 User Manual download pdf (Page 7)

UHF Wireless Digital Hybrid

Receiver

REAR PANEL FEATURES

10-18

VDC

BATTERY DOOR

To open lift

this edge and

turn door

AUDIO

OUT

1 2

XLR AUDIO OUTPUT JACK TO REPLACE THE BATTERIES

This is a standard XLR configuration with pin 2 “positive”

with reference to hand-held and plug-on transmitters.

With lavalier microphones and belt-pack transmitters,

however, phase will vary with different types of micro-

phones (2-wire vs. 3-wire for example). The audio output

is balanced but not floating, so an unbalanced signal is

available using pin 1 as ground and pin 2 as signal,

leaving pin 3 open.

POWER INPUT JACK

The power input jack can accept 10-18 VDC - the center

pin is positive and sleeve is ground. The input is diode

protected to prevent damage if the power is applied with

reversed polarity, but the unit will not work until the

condition is fixed. Strain relief to avoid accidental

disconnection can be provided with the included small

hook and loop strip. Attach the adhesive strip side to

the side of the receiver or mount with the opening end of

the strip up. Place the cable in the strip and secure.

Lift and open the bottom battery door cover with your

thumb, rotate the door until it is perpendicular with the

case and allow the batteries to fall out of the compart-

ment into your hand. It is difficult to install a battery

backwards. Observe the large and small holes in the

battery contact pad before inserting new batteries.

Insert the contact end of the battery first, making sure

the contacts are aligned with the holes in the contact

pad, and then swing the door closed. You will feel it snap

into place when it is fully closed.

To open the battery

compartment door, push the

door up and away from the

case with your thumb, then

swing open.

CAUTION

Lithium batteries will expand and swell if allowed to go

into a deep discharge. Be sure to remove lithium batter-

ies as soon as possible after warnings. If lithium batter-

ies are allowed to fully discharge while still inside the

battery compartment, they will be very difficult to re-

move.

Stuck lithium batteries can be avoided by removing the

label wrapping around the battery before use. This will

allow the battery to swell but will still leave enough room

in the compartment for the battery to fall out normally.

Rio Rancho, NM – USA

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Lectrosonics UCR411 User Manual Page 7

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