TOA WM-4300-4310 Wireless Microphone User Manual

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Document ID	101166
Application ID	8gU4Pi9PKzhTtPA6PNVUXg==
Document Description	4300 Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	0.58kB (7282 bits)
Date Submitted	2000-05-19 00:00:00
Date Available	2000-08-25 00:00:00
Creation Date	2000-05-16 13:21:31
Producing Software	Acrobat Distiller 3.0.2J (Power Macintosh 版)
Document Lastmod	2000-05-16 13:21:43
Document Title	Users Manual
Document Creator	QuarkXPressþ: AdobePS 8.5.2
Document Author:	torisetu02

9. OPERATING INSTRUCTIONS
TOA WIRELESS MICROPHONE model WM-4300
General description
The WM-4300 lavalier 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 vocal and speech reinforcement
applications. The built-in compressor -expander circuit minimizes the influence from ambient noise.
Battery insertion
1) Getting hold of the microphone body, and slide the battery case down. The battery
case is not 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 battery case.
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-4300 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 Adjustment (Sensitivity Control)
To change the factory-preset level, follow the procedures below:
1. Getting hold of the microphone body ,and slide the battery case down. The battery case is not designed to
be completely removed from the body.
2. Switch on the power of the tuner and microphone.
3. Adjust the level control using a small screwdriver. The level increases as the control is rotated clockwise,
and decrease when rotated counter-clockwise.
4. Adjust the corresponding tuner's volume control so that its knob points to the 2 o'clock position. When the
tuner's AF PEAK indicator remains lit, readjust the microphone's level control to the position that causes the
indicator to flash when the tuner output level reaches its peak. The AF PEAK indicator lights when the output
level reaches the point of 3 dB below the clipping level.
NOTE.
The AF PEAK indicator operates in response to the volume control position.
However, the AF LEVEL indicator (on the WT-4800) indicates the level
regardless of the volume control setting.
5. Replace the battery case.
11
Specifications
Model
Carrier Frequency
Oscillator
Modulation System
Frequency Stability
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-4300
64 frequencies (Selectable from 690 MHz and 806 MHz)
Crystal-controlled PLL-synthesizer
Reactance modulation
Less than 0.005%
Less than 50 mW
Less than 10 mW
125 dBspl (Factory preset)
±40 kHz
Unidirectional erectlet condenser microphone
50 to 15000 Hz
50 µsec
Herical antenna
6LR61(Alkaline 9 V)
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, Audio level adjust(Sensitivity
Control)
Checker, illegal Channel
Black
4.13" X 2.44" X0.95"(105 X 62 X 24 mm)
0.33 lbs.(150g) 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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