background image

OPERATING INSTRUCTIONS

UHF WIRELESS MICROPHONE

WM-4300

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.

• 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.

• 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.

WARNING

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. 

Safety Symbol and Message Conventions 

Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards. 

Indicates a potentially hazardous situation which, if mishandled, could result in
death or serious personal injury.

Indicates a potentially hazardous situation which, if mishandled, could result in
moderate or minor personal injury, and/or property damage.

WARNING

CAUTION

CAUTION

Summary of Contents for WM-4300

Page 1: ...larity 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 WARNING 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 ver...

Page 2: ... 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 ...

Page 3: ...opouts momentary losses of signal reception may be encountered These dropouts are caused by the building s architectural designs or materials which block the travel of or reflect the radio signal If this occurs the user needs to change locations for better signal reception The proper operation of your wireless system may be interfered with by other system operating on the same frequency In such ca...

Page 4: ...es the level regardless of the volume control setting Step 5 Replace the battery cover 12 CONNECTOR PIN FUNCTIONS The microphone s input connector is of TA 4F type Input connector pin assignment 1 Ground 2 DC power 5 V 3 Audio 4 Audio 5 V 2 2 kΩ to DC power 3 Audio level control License requirement Operation is subject to the following two conditions 1 This device may not cause harmful interferenc...

Reviews: