Toa WM-3310 Operating Instructions

VHF WIRELESS MICROPHONE
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.

1. SAFETY PRECAUTIONS

• Be sure to read the instructions in this section
carefully before use.
• Make sure to observe the instructions in this
manual as the conventions of safety symbols and
messages regarded as very important precautions
are included.
• We also recommend you keep this instruction
manual handy for future reference.
WARNING
Indicates a potentially hazardous situation which,
if mishandled, could result in death or serious
personal injury.
• To prevent the electromagnetic wave from badly
influencing medical equipment, make sure to
switch off the unit's power when placing it in close
proximity to the medical equipment.
CAUTION
Indicates a potentially hazardous situation which,
if mishandled, could result in moderate or minor
personal injury, and/or property damage.
• When the unit is not in use for 10 days or more, be
sure to take the battery out of the unit because
battery leakage may cause personal injury or
contamination of environment.
• Make sure to observe the following handling
precautions so that a fire or personal injury does
not result from leakage or explosion of the battery.
· Do not short, disassemble, heat nor put the
battery into a fire.
· Never charge batteries of the type which are not
rechargeable.
· Do not solder a battery directly.
· Be sure to use the specified type of battery.
· Note correct polarity (positive and negative
orientation) when inserting a battery in the unit.
· Avoid locations exposed to the direct sunlight,
high temperature and high humidity when storing
batteries.

OPERATING INSTRUCTIONS

2. GENERAL DESCRIPTION

The wireless microphone WM-3310 is of lavalier
type, while the WM-3310H is of headset type, and all
are designed for use on VHF band.
The WM-3310/-3310H accommodate the supplied
microphone unit or headset with a cardioid pick-up
pattern and are suitable for speech reinforcement
applications. The built-in circuitry is so designed to
minimize the influence from ambient noise.

3. FEATURES

• One frequency can be selected from 6 operating
frequencies of 169 – 216 MHz.
• An optimized PLL-synthesizer minimizes the
oscillation frequency drift resulting from the
ambient temperature or voltage fluctuation.
• Audio level control adjusts the microphone
sensitivity.
• Battery lamp indicates battery consumption to
prevent the unit from malfunctioning when the
battery level remarkably decreases.
• Compact size and high reliability

4. HANDLING PRECAUTIONS

• Do not expose the unit to rain or an environment
where it may be splashed by water or other liquids,
as doing so may result in unit failure.
• Never open nor remove the unit case to modify the
unit. Refer all servicing to your nearest TOA dealer.
• Take care not to drop the unit onto the floor nor
bump it against a hard object as the unit could fail.
• Do not place the unit in locations of high
temperature (ex. in a car parked in summer) or
high humidity as the unit could fail.
• Do not use the unit in locations where it is exposed
to seawater.
• To clean, use a dry cloth. When the unit gets very
dirty, wipe lightly with a cloth damped in a dilute
neutral cleanser, then wipe with a dry cloth. Never
use benzine, thinner, or chemically-treated
cleaning towel.
• Avoid using a mobile telephone near the wireless
microphone in use. Noise could be picked up.
WM-3310
WM-3310H