TOA Electronics WM-4220 General Description, Features, Handling Precautions, Nomenclature

2. GENERAL DESCRIPTION

The WM-4210 Wireless Microphone employs a dynamic microphone element and is suitable for vocal applications.

The WM-4220 Wireless Microphone employs an electret condenser microphone element and is suitable for speech applications.

3. FEATURES

•One frequency can be selected from 16 operating frequencies of 690 – 865 MHz.

•An optimized PLL-synthesizer minimizes the oscillation frequency drift resulting from the ambient temperature or voltage fluctuation.

•Battery lamp indicates battery consumption to prevent the unit from malfunctioning when the battery level remarkably decreases.

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.

5. NOMENCLATURE

[WM-4210] [WM-4220]

Power/Battery lamp

(Orange LED)

Power ON/OFF switch

Channel select switch

Battery clip