Lectrosonics WM - Manual User Manual download pdf (Page 3)

Watertight Transmitter

Rio Rancho, NM

Introduction

The WM transmitter is designed to resist damage when

used in wet or dusty conditions and also offer a compre-

hensive feature set that makes it equally at home in ﬁlm

and television production and on stage.

A solid machined aluminum housing with a corrosion re-

sistant ﬁnish hosts dual battery compartments, a mois-

ture sealed control panel with backlit LCD and enlarged

membrane switches. Recessed seats for the O-rings in

the battery caps and input jack allow the caps and mic

connector to be tightened securely without excessive

deformation of the O-rings.

The antenna is made of an extremely durable, multi-

strand alloy that will withstand heavy abuse. It is mount-

ed with a compression sealed strain relief that prevents

dust and moisture from entering the housing.

As the ﬁrst stage in the signal processing chain, the

input preamp section includes very high quality, low

noise components with a wide range of gain adjust-

ment in 1 dB increments and a DSP-controlled input

limiter. Dual color LEDs on the control panel accurately

indicate audio input level for precise gain adjustment.

Easily accessed screens on the LCD simplify setup and

adjustments.

Output power is adjustable to provide either extended

operating range or extended battery life as needed for

the application.

The Digital Hybrid Wireless

design (US Patent

7,225,135) combines 24-bit digital audio with analog

FM resulting in a system that has the same operating

range as analog systems, the same spectral efﬁciency

as analog systems, the same long battery life as analog

systems, plus the excellent audio ﬁdelity typical of pure

digital systems.

The DSP-based design works with all Digital Hybrid

receivers, and is backward compatible for use with

Lectrosonics 200 Series, 100 Series, IFB receivers and

some other brands of analog wireless receivers.

Consumer Alert for US Users - FCC Order DA 10-92

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this micro-

phone system without a license is subject to certain restrictions: the system may not cause harmful interference; it

must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received

from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless mi-

crophone systems, and these rules are subject to change. For more information, call the FCC at 1-888- CALL-FCC

(TTY: 1-888-TELL-FCC) or visit the FCC’s wireless microphone website at www.fcc.gov/cgb/wirelessmicrophones.

To operate wireless microphone systems at power greater than 50mW, you must qualify as a Part 74 user and be

licensed. If you qualify and wish to apply for a license go to: http://www.fcc.gov/Forms/Form601/601.html

Table of Contents

Introduction .............................................................................. 2

General Technical Description ............................................... 4

Controls and Functions .......................................................... 6

LCD Screen ........................................................................... 6

Power LED ............................................................................. 6

Audio Input Jack .....................................................................6

Battery Compartment and Thumb Screw ............................... 6

Modulation LEDs .................................................................... 6

AUDIO Button ........................................................................ 6

FREQ Button .......................................................................... 6

Up/Down Arrows .................................................................... 6

Antenna .................................................................................. 6

Battery Compartments ............................................................ 7

About Batteries ........................................................................ 7

Input Connector ....................................................................... 7

Equivalent Input Circuit Diagram ........................................... 7

Operating Instructions ............................................................ 8

Power Up and Boot Sequence ...............................................8

Power Down ........................................................................... 8

Standby Mode ........................................................................8

Compatibility, Output Power, Bias Voltage (phantom power)

and LCD Backlight .................................................................8

Audio LF Roll-off and Gain ..................................................... 9

Frequency Selection ............................................................ 10

Lock/Unlock Screens ........................................................... 10

Remote Control Enable/Disable and

Conﬁguring Power Restore .................................................. 10

Preventing Corrosion ............................................................ 11

Optional RM Remote Control ............................................... 12

Powering the RM on and off ................................................. 12

Setup Screens ..................................................................... 12

Operating Notes ................................................................... 13

RM Quick Reference ............................................................ 13

RM2 Remote Control ............................................................. 13

Troubleshooting ..................................................................... 14

RM Troubleshooting .............................................................15

Accessories and Replacement Parts ................................... 16

Antenna Length by Block ..................................................... 17

Desiccant Battery Caps ........................................................ 18

Re-conditioning (drying out) the caps and desiccant beads 19

Replacing the desiccant beads ............................................ 19

Speciﬁcations ....................................................................... 20

Service and Repair ................................................................ 22

Returning Units for Repair ................................................... 22

1 2 3 4 5 6 7 8 ... 23 24

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