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9.  Use the Level or Tone menus to adjust the audio output levels to match 

the required input level of any connected devices (camera, mixer, re-

corder, etc.).  The adjustment range is from -50 dBu to +5 dBu in 1 dBu 

steps for the balanced output and -55 dBu to +0 dBu in 1 dBu steps for 

the unbalanced output.

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.

10. If desired, access the LockSet menu to lock the R400A front panel 

controls to prevent inadvertently modifying the receiver settings during 

operation.

Main  

Antenna Input

Diversity 

Antenna Input

Balanced

Audio Output

Power Input Jack

Unbalanced

Audio Output

POWER/ 

PREV MENU 

Button

MENU Control

LCD Screen

Summary of Contents for R400A

Page 1: ... 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 Digital Hybrid Wireless Reciver R400A 15 March 2017 U S Patent 7 225 135 ...

Page 2: ... Note For more detailed instructions see Using SmartTune and the Scan Function on page 7 8 Refer to the associated transmitter operating instructions and adjust the transmitter gain Warning This is perhaps the most important step in the setup procedure In general adjust the transmitter gain so that the voice peaks will cause the audio modulation level indicators on both the receiver and transmitte...

Page 3: ...balanced output 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 10 If desired access the LockSet menu to lock the R400A front panel controls to prevent inadvertently modifying the receiver settings during operation Main Antenna Input Diversity Antenna Input Balanc...

Page 4: ...and corner of this screen Level B The Level B setup screen displays the audio output level of the receiver in dBu at the balanced XLR jack Level U The Level U setup screen displays the audio output level of the receiver in dBu at the unbalanced 1 4 inch jack Tuning The R400A offers 7 tuning modes Normal mode default 4 factory set frequency groups Fact Grp A thru D and 2 user programmable frequency...

Page 5: ...eceiver To enable pilot tone bypass mode in the PilotBP window rotate the MENU control to select BY PASS then press the PREV MENU button To return to normal operating mode pilot tone enabled rotate the MENU control to select NORMAL then press the PREV MENU button Exit this setup screen by pressing the PREV MENU button Note No pilot tone is used in 100 Series or Mode 3 Compatibility Modes so theref...

Page 6: ...transparency is pre served All signals presented to the transmitter s analog front end includ ing any faint microphone hiss will be faithfully reproduced at the receiver NORMAL factory default Enough noise reduction is applied to remove most of the hiss from the mic preamp and some of the hiss from lavaliere microphones The noise reduction benefit is dramatic in this position yet the degree of tra...

Page 7: ... cursor across the tuning range As the cursor scrolls across the frequency band Frequency Select Switch settings for the associated transmit ter are shown in the upper right corner of the screen Double pressing the MENU control switches the display to Fine View which displays an expanded portion of the spectrum around a fixed vertical cursor As with the Coarse View cursor movement across the frequ...

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