Lectrosonics R400 User Manual download pdf (Page 13)

Portable Wireless Sound System

INSTALLATION AND OPERATING INSTRUCTIONS

1. Connect the power cord from the power

supply to the Power Input Jack.

Power Input Jack

DIV ANT

MAIN ANT

2. Attach the antennas or antenna cables to the

MAIN ANT and DIV ANT BNC connectors.

3. Press the POWER/PREV MENU button to

turn on the unit on. Check to see that the LCD

displays the Power Up Sequence.

LCD

POWER/PREV MENU

This is a sequence of three screens:

Lectrosonics

R400 V XX where VXX is the current

firmware version installed

Block XX where XX is the frequency tuning

range block number

After the Power Up Sequence is displayed, the

Main Window appears and the R400 is ready

for operation.

4. Ensure the receiver and transmitter are set to

the same Compatibility Mode, then, for units

with Firmware Version 1.5 and later, use

SmrtTun™ to locate a clear operating

frequency. Otherwise, use the Scan function

to locate a clear channel, or manually set the

receiver operating frequency via the Freq

setup screen. Then set the Transmitter

Frequency Select Switches to match the

receiver's operating frequency. (See R400

Menu Selections.)

5. Turn the

transmitter on and

verify that an RF

signal is indicated

on the LCD.

RF Level

6. Connect an audio

cable to the BAL

AUDIO OUT XLR

jack.

7. Refer to the associated transmitter operating

instructions and adjust the transmitter gain.

Warning

This is perhaps the most important step in the set up

procedure.

In general, adjust the transmitter gain so that

the voice peaks will cause the audio

modulation level indicators on both the

receiver and transmitter to show full

modulation on the loudest peak audio levels.

Audio Level Bar

Normal levels should cause the R400's audio

level bar to fluctuate fully resulting in the best

possible signal to noise ratio for the system.

Note

A common mistake is to use the transmitter audio gain

control to set the overall audio level of the entire

system. The transmitter gain control is not a volume

control and must be set independently of the overall

system audio level. The transmitter gain control is only

used to set the proper modulation of the transmitter. It

is used to match the transmitter to the type of

microphone and the sound levels that will be present at

that microphone. We encourage users to either

disconnect the rest of the sound system or turn the

sound system gain to minimum to prevent either

feedback or overload as the transmitter gain is set.

Only after the transmitter gain control is set should the

gain of the rest of the audio system be adjusted to

achieve the desired sound or signal levels.

8. Use the Level or Tone menus to adjust the

audio output level to match the required input

level of any connected devices (camera,

mixer, recorder, etc.). The adjustment range is

from -50 dBu to +5 dBu in 1 dB steps.

Note

The test tone output is especially useful for an exact level

match. With the test tone running, adjust for the maximum

desired peak level using the metering on the connected

device.

9. If desired, access the LockSet menu to lock

the R400 front panel controls to prevent

inadvertently modifying the receiver settings

during operation.

PROGRAMMING USER GROUPS

For users who do their own frequency coordination, the

R400 offers two user-configurable frequency groups. Up

to 16 frequencies can be stored in a user group. Use the

following procedure to add or remove frequencies from

either user group (User Grp U or User Grp V).

BAL AUDIO OUT

Rio Rancho, NM – USA

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Lectrosonics R400 User Manual Page 13

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