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ENGLISH
Operation manual
PRECAUTIONS
• Before connecting and operating the unit, check if the voltage
setting is conform to the voltage available in your area.
• Avoid extremely dirty or dusty environments.
• Avoid areas where there is extremely high humidity.
INSTRUCTIONS
Thank you for purchasing a Wireless Microphone System!
The VHF high band wireless microphone and receiver are high
quality audio products.
The wireless microphone system operates on VHF band frequency
160-250 MHz with quartz locked control.
Please read this instruction manual completely before operating the
system.
This manual covers the function and operation of the Wireless
Microphone system.
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FEATURES
1. Operating on VHF band frequency 160-250 MHz crystal
controlled.
2. SMD assembled PCB module ensures the quality and stability
for easy installation and quick replacement.
Especially convenient for after service.
3. Super high sensitivity, extremely low noise transmission and
reception.
4. Low noise mixer circuitry helps to reduce the noise from
interference to a minimum.
5. The receiver has a slim plastic case and beautiful front panel
finished in black colour.
6. Audio frequency response wide is from 40 Hz to 15 KHz, S/N
ratio is more than 100 dB, and THD is less 0.5 %.
7. Service area between microphone and receiver is over
50 meters.
8. 12 V-18 V DC Power Supply.
9. Tone squelch circuitry control for certain audio reproduction.
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SPECIFICATIONS
Carrier Frequency Range : VHF 160 - 250 MHz
Frequency Stability : ± 0.005 % with quartz control
S/N Ratio : Over 150 dB at 15 KHz deviation
and 60 dB/µ V antenna input
Tone Signal : 32.768 KHz (for tone squelch
control)
Image & Spurious Rejection : 80 dB minimum
Receiving Sensitivity : 8 dB/µ V, for 80 dB S/N ratio
Selectivity : More than 50 dB
Dynamic Range : More that 96 dB
Modulation Mode : FM
IF Frequency : 10.7 MHz
Service area : Over 50 Meters
AF Response : 40 Hz to 15 KHz (± 3 dB)
THD : Less than 0.5 % (at 1 KHz)
Audio Output : Unbalanced: max. 775 mV at
15 KHz Deviation & 5 Kohm Load
Power Supply : DC 12 - 18 V Adapter
Dimensions : 165 (L) x 140 (D) x 35 (H) mm
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RECEIVER
1 .......... Power Switch
2 .......... Power Indicator
3 .......... RF Signal
4 .......... Level Control
5 .......... Antenna
6 .......... AF Output (Unbalanced)
7 .......... Squelch Adjustment
8 .......... DC Jack
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OPERATION
1. Connect the phone plug cable; one side to the audio output
of the receiver, the other side to a mic input of your mixer.
2. Pull the telescope antenna to the longest vertical extent, to
enhance sensitivity for receiving the microphone signal.
3. Press the power switch on, the power indicator will light.
4. When the microphone is transmitting the signal, the red light
of the RF signal wil light to indicate that the mic is operating.
5. The squelch level is adjustable by the squelch adjustment at
the back of the unit, adjust the output level to prevent
external noise. (Setting the squelch too high will reduce the
range of the system).
6. When the receiver is not used, revolve the volume switch to
the minimum and turn the power off.
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MICROPHONE
FEATURES
1. High sensitivity cardioids capsule for your professional use.
2. Special noise absorption parts inside the barrels,
which eliminate switch shock noise and handling noise.
3. Frequency with quartz locked control.
4. Easy-opening battery compartment for battery replacement.
5. Low battery LED inidicator.
OPERATION
1. Open the battery cover and insert battery into the battery
house according (+) and (-) indications marked on the battery
house.
2. Push the power switch ON, the LED indicator will flash to
indicate that the carrier frequency is sending out.
The microphone is ready for use.
3. Switch the power ON, the LED indicator flashing means that
power supply is normal. If the LED indicator lights up it means
that the battery needs to be replaced. If there’s no flashing,
then there’s no battery inserted or it isn’t properly inserted.
4. Push the power button OFF when the microphone isn’t used
and remove the battery in the microphone if not used for a
long time. This will prevent any damage that a defective
‘leaking’ battery may cause.
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FEATURES
Carrier Frequency Range : 160 - 250 MHz, UHF high band
Tone Signal : 32.768 KHz (for tone squelch
control)
RF Power Output : 30 MW (max.)
Spurious Emission : More than 43 dB below carrier
frequency
Frequency Stability : Within ±0.005 % with quartz control
Antenna : Built in
AF Response : 40 Hz to 15 KHz (± 3 dB)
Maximum Deviation : ± 15 KHz within limiting compressor
S/N Ratio : 60 dB (A-weighted)
Microphone Capsule : Uni-directional dynamic microphone
Operating Voltage : Standard 9 V battery
Current consumption : About 25 mA
Battery Life : Over 6 - 8 hours continuous
operation by Alkaline Battery
LED Indicator : Power On - Off and low battery
Dimensions : Handheld mic:
56 diam. (D) x 247 (L) mm
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HANDHELD MICROPHONE
1. Screen Head
2. Low Battery Led Indicator
3. ON/OFF Switch
4. Mic Housing
5. Battery Housing
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