Lectrosonics UCR100 User manual

Quick

Start

Guide

Fill in for your records:

Serial Number:

Purchase Date:

This guide is intended to assist with

initial setup and operation of your

Lectrosonics product.

For a detailed user manual, down-

load the most current

version at:

www.lectrosonics.com/manuals

Compact Receiver

UCR100

07 july 10

U.S. Patent 7,225,135

LECTROSONICS, INC.2

Power LED

Use fresh alkaline or

lithium 9 Volt batteries.

In all cases, observe

large and small battery

contact openings inside

the unit and orient the

battery accordingly prior

to inserting in the battery

compartment.

After installing the battery, turn the

unit on and check to see that the

Power LED is brightly lit.

Battery Installation

Important Note: Before using transmitters with

the UCR100 Receiver, make sure they are set to

100 Series Compatibility Mode. Refer to your

transmitter’s Quick Start Guide for instructions

on how to change compatibility modes.

Push outward on door, then rotate

to open.

Power LED

Use fresh alkaline or

lithium 9 Volt batteries.

In all cases, observe

large and small battery

contact openings inside

the unit and orient the

battery accordingly prior

to inserting in the battery

compartment.

After installing the battery, turn the

unit on and check to see that the

Power LED is brightly lit.

Battery Installation

Important Note: Before using transmitters with

the UCR100 Receiver, make sure they are set to

100 Series Compatibility Mode. Refer to your

transmitter’s Quick Start Guide for instructions

on how to change compatibility modes.

Push outward on door, then rotate

to open.

Power LED

Use fresh alkaline or

lithium 9 Volt batteries.

In all cases, observe

large and small battery

contact openings inside

the unit and orient the

battery accordingly prior

to inserting in the battery

compartment.

After installing the battery, turn the

unit on and check to see that the

Power LED is brightly lit.

Battery Installation

Important Note: Before using transmitters with

the UCR100 Receiver, make sure they are set to

100 Series Compatibility Mode. Refer to your

transmitter’s Quick Start Guide for instructions

on how to change compatibility modes.

Push outward on door, then rotate

to open.

www.lectrosonics.com 3

Frequency Switches

012

EF012

1.6MHz 100KHz

Selecting a Clear Frequency,

Checking for Interference

RF LED

Turn all transmitters OFF. Turn the UCR100 ON. Slide open the door to

expose the frequency select switches. Set the 100 kHz switch to “8.” Rotate

the 1.6 MHz switch to a position where the green RF LED on the front panel

does NOT light up. Then, rotate the 100 kHz switch a few detents above and

below where it was originally set while observing the RF LED. The idea is to

ﬁnd switch settings where the RF LED does not light up, which will be a clear

operating frequency.

NOTE: Video cameras often generate a

signiﬁcant amount of RF noise (interference). Mount the UCR100

on the camera or in the position it will actually be used with the audio

cable connected, and check the green RF

LED again to see if interference is present.

If the RF LED on the receiver remains

lit when the transmitters are turned off,

ﬁnd new switch settings or re-position the

receiver. The RF LED should extinguish

when the associated transmitter is turned

off.

LECTROSONICS, INC.4

NOTE: This step only applies to cameras and camcorders that

offer manual audio level control during recording. If your camera or

camcorder offers AGC (automatic gain control) only, skip this step and

go to step 8.

Set the manual input level control on the camera or mixer to a point just above

the middle of the control range (i.e. set it at “7” on a scale of 1 to 10).

Set Camera or Mixer Audio Level Control to a

Comfortable Midrange Position

LMa

Set the frequency selection switches on the side of the transmitter to match

the switches on the receiver determined in Step 2. Ensure the transmitters

are oriented so the word “Frequency” reads correctly to orient the left and

right hand switches.

Set Transmitter Frequency

Frequency Switches

012

EF012

1.6MHz

(left)

100KHz

(right)

www.lectrosonics.com 5

Adjusting UCR100 Output for

Proper Record Level

For cameras or mixers with manual level control

Attach a receiver output cable (see below)

between the UCR100 and the camera or

mixer. Leave the camera or mixer audio

level control in the same position as set in

Step 7. While speaking into the transmit-

ter microphone at the same level that

will be used in the program, adjust the

UCR100 output LEVEL control for the cor-

rect input level for the camera or mixer.

If a correct input level to the camera

or mixer cannot be achieved using the

UCR100 output LEVEL control, set the

UCR100 output level as close as possible to the

correct level, and then adjust the input control slightly on the camera or mixer.

A peak in the audio signal should cause the -20 LED on the UH400A or LM

transmitters to blink red and occasionally light the “0” LED on the UCR100

receiver. It should also show a “0 VU” indication on the camera or mixer.

For cameras with AGC (automatic gain control) only

It is always better to set the audio record level manually if possible; however, if

manual control is not offered on your camera, the wireless system can still be

used, but the audio output of the UCR100 must be set by listening rather than

using the LEDs. This will reduce the “breathing” effect on the audio caused by

the AGC (automatic gain control).

Have the talker pause for 5 or 6 seconds after speaking, and listen for a

buildup of background noise during the pause. When the talker begins speak-

ing again, the background noise will be buried by the talker’s voice until the

next pause in speech occurs. The noise buildup is caused by the AGC circuit

in the camera trying to adjust for a constant level. It is not the fault of the wire-

less system. Manually adjust the UCR100 output level control to minimize the

“breathing” effect (generally a lower setting).

Output LEVEL

Control

LECTROSONICS, INC.6

Always conduct a walk test before each use, since it is impossible to predict

all potential sources of wireless problems. Turn on the camera, the wireless

and any other electronics that will be used. Have the talker (with transmitter)

walk through the areas while speaking where the wireless system will actually

be used. Listen to the audio quality while the talker makes this walk test. If

the facility (worship center, conference room, hotel, etc.) will also be using a

wireless system while your system is operating, make sure that system is also

turned on and operating during your walk test.

Walk Test / Voice Test

Always conduct a walk test before each use, since it is impossible to predict

all potential sources of wireless problems. Turn on the camera, the wireless

and any other electronics that will be used. Have the talker (with transmitter)

walk through the areas while speaking where the wireless system will actually

be used. Listen to the audio quality while the talker makes this walk test. If

the facility (worship center, conference room, hotel, etc.) will also be using a

wireless system while your system is operating, make sure that system is also

turned on and operating during your walk test.

Walk Test / Voice Test

Always conduct a walk test before each use, since it is impossible to predict

all potential sources of wireless problems. Turn on the camera, the wireless

and any other electronics that will be used. Have the talker (with transmitter)

walk through the areas while speaking where the wireless system will actually

be used. Listen to the audio quality while the talker makes this walk test. If

the facility (worship center, conference room, hotel, etc.) will also be using a

wireless system while your system is operating, make sure that system is also

turned on and operating during your walk test.

Walk Test / Voice Test

www.lectrosonics.com 7

MC100RCA - 3.5mm male TRS (stereo)

plug to two male RCA plugs

MC100XLR - 3.5mm mono plug to male

XLR unbal; pin 2 (+) with pins 1 and 3

jumpered; 100 ohm resistor

MC100TRS - 3.5mm TRS (stereo)

straight plug to 3.5mm TRS (stereo) right

angle plug

MC55 - 3.5mm mono mini plug to XLR

male; 15” long; converts unbalanced

line level to balanced mic level; 45dB

attenuator; built-in caps bypass phantom

power

Receiver Output Cables

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