Preventing Internal Corrosion - Lectrosonics MM400C Quick Start Manual

Antenna
Power ON/OFF and Mute
Switch
(External Switch
Magnet Housing Assembly
Shown.)
Frequency Select
SwitchThumbscrew
and Cover Plate

Preventing Internal Corrosion

It is very important that you properly dry the transmitter when it becomes
wet due to immersion or high levels of perspiration BEFORE opening any
covers or connectors.
1. Carefully blot the transmitter dry with a clean paper towel or cloth.
move all moisture.
blot up any remaining moisture that may have remained around the
seal.
IMPORTANT! DO NOT CLOSE ANY COVER OR CONNECTOR BE-
FORE MAKING CERTAIN THERE IS NO MOISTURE IN OR NEAR
THE OPENING.
2. After use, it is important to store the transmitter in a dry place with all
access compartments and connectors opened to allow any internal
humidity to evaporate. Specifically, open the Battery Compartment,
the Frequency Switch Cover Plate and fully unscrew and remove the
microphone connector before storing.
store sealed.
go other than to chemically react with and destroy components and
the printed circuit board.
3. Lubricate all rubber O-rings with petroleum jelly (such as Vaseline)
after each use (included with transmitter and O-ring replacement
kits).
JELLY.
lubricate the O-rings after each use will significantly shorten their life.
www.lectrosonics.com
Audio Input Jack
Follow the procedure below for best results:
After opening any connector or cover, carefully
If moisture is sealed inside the unit it has nowhere to
DO NOT USE ANYTHING OTHER THAN PURE PETROLEUM
Silicone-based lubricants will dissolve the rubber. Failing to
Battery
Compartment
Cap
Do not store wet and do not
Re-
3