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2. GENERAL DESCRIPTION
The wireless microphone WM-4310 is of lavalier type, while the WM-4310A and WM-4310H are of headset
type, and all are designed for use on UHF band.
The WM-4310/-4310A/-4310H 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.
The WM-4310A differs from the WM-4310H in that the WM-4310A features sweat-proof design and is
supplied with a waist pouch.
3. FEATURES
• One frequency can be selected from 16 operating frequencies of 16 frequencies of 690 – 865 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
• Sweat-proof handset with an adjustable fixing band is exclusively designed for use by aerobics instructors.
(WM-4310A only)
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.