TOA WM-4210-4220 Wireless Microphone User Manual WM 4220

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Document ID	101209
Application ID	8vJfB9xepCfYkCgPFqZ+BQ==
Document Description	4220 Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	0.55kB (6924 bits)
Date Submitted	2000-05-19 00:00:00
Date Available	2000-08-25 00:00:00
Creation Date	2000-05-16 13:18:30
Producing Software	Acrobat Distiller 3.0.2J (Power Macintosh 版)
Document Lastmod	2000-05-16 13:18:44
Document Title	WM-4220
Document Creator	QuarkXPressþ: AdobePS 8.5.2
Document Author:	torisetu02

9. OPERATING INSTRUCTIONS
TOA WIRELESS MICROPHONE model WM-4220
General description
The WM-4220 hand held wireless microphone has been manufactured for use with a UHF system. It
incorporates a cardioid pick-up pattern and has been designed for use in speech reinforcement applications.
The built-in compressor -expander circuit minimizes the influence from ambient noise.
Battery insertion
1)Hold the microphone body and rotate the microphone grip counterclockwise. The microphone grip is
designed to be completely removed from the body.
2)The battery compartment accepts one 6LR61 battery. Please insert the battery according to the instructions
attached to the inside of the battery compartment. Please observe correct polarity when inserting the battery.
3)Replace the microphone grip by sliding and relightening it clockwise .
Operating the microphone
1)Make sure that the receiver and the wireless microphone are of the same channel(frequency).
2)If they are not identical in channel(frequency),you have to adjust the bank and channel switches.
3)Place the microphone ON/OFF switch in the ON position. The orange LED indicates the circuit is active.
4)Make sure to shift the ON/OFF switch back to the off position after using the WM-4220 wireless microphone.
Battery replacement
1)A brand-new battery will provide the power for enough to operate the unite continuously for 10 hours .
2)As long as the battery has sufficient power for the microphone to function properly, the orange LED will light.
When the orange LED starts to fade and then flashing, replace it with a new one.
Operational Hints
(1) The microphone's service distance is 3-150 m. When the microphone user moves in a facility, signal
dropouts (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.
(2) The proper operation of your wireless system may be interfered with by other system operating on the
same frequency. In such cases, change the operating frequency of your system. It is recommended that
the Scan function (of the WT-4800) be used to avoid the frequency interference, which always searches
and shows idle frequencies.
(3) |Should you have any questions regarding the use or availability of TOA wireless products, please contact
your local TOA dealer.
Audio level
This wireless microphone is designed to satisfy the most of the popular presenters. The audio level is set at
125dBspl .
11
Specifications
Model
Carrier Frequency
Frequency Stability
Oscillator
Modulation System
RF Carrier Power
Effective Radiated Power
Maximum Input Level
Maximum Deviation
Microphone Element
Frequency Response
Pre-emphasis
Antenna
Battery Type
Battery Life
Current Consumption
Ambient Temperature
Tone Frequency
Controls
Battery
Color
Dimensions
Weight
WM-4220
16 frequencies (Selectable from 690 MHz and 806 MHz)
Less than 0.005%
Crystal-controlled PLL-synthesizer
Reactance modulation
Less than 50mW
Less than 10mW
125dBspl
±40 kHz
Unidirectional erectlet condenser microphone
100 to 15000 Hz
50 µsec
Whip antenna (Internal)
6LR61(Alkaline 9V)
More than 10 hours
50mA TYP.(at 9.0V)
14°F to 122°F (–10°C to 50°C)
32.768 kHz
Power ON/OFF, Bank and Channel select,
Checker, illegal Channel
Black
ø”1.5" X 8.76"(ø38 X 222.5mm)
0.594 lbs.(250 g) with battery
FCC license requirement FCC
This system requires a FCC license for legal operation. Obtain the application form FCC at the address listed
on the form and mail it to the FCC after completing it, following the instructions below. When the application is
approved, the FCC will mail the license to you.
12

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Modify Date                     : 2000:05:16 13:18:44-07:00
Create Date                     : 2000:05:16 13:18:30-07:00
Title                           : WM-4220
Author                          : torisetu02
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Producer                        : Acrobat Distiller 3.0.2J (Power Macintosh 版)
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