QFX M-310 Operating Instructions

WIRELESS MICROPHONE AND RECEIVER
HOW DO YOU OPERATE IT?
1. Screw off the housing, insert a battery (Size AA) with the correct polarity and screw
on the housing before inserting the telescopic antenna set the switch to the ON
position. The pilot lamp is on at this time. Insert another battery (Size AA) into the
receiver with the correct polarity. Set the switch of receiver to ON position. The pilot
lamp is on that indicates a good condition. After that, plug the receiver into the input
socket for microphone of amplifier, it is ready for operation.
2. When you temporary stop during singing and you don't want the microphone to
pick up any other sound, you may set the switch to the middle (MIC) position. Now,
the lamp is on but your microphone won't transmit any sound.
3. Use it as wired microphone:
Take out the battery from the microphone, connect the wire to the microphone and
set the switch to MIC position.
ATTENTION:
1. If sound quality and volume are abnormal or receiving distance is shortened the
batteries in the wireless microphone and receiver should be replaced. You can
carefully trim the frequency of receiver with a screwdriver for normal operation.
2. If your microphone isn't used for a long period, the battery should be taken out to
avoid its deterioration and the damage of components.
3. If two wireless microphones are used at the same time, you must use them with
one red and another green lamp. You can't use them with the lamp of the same color.
SPECIFICATIONS
Microphone sensitivity
Directivity
Frequency response
Output impedance
Operating voltage
Effective distance
OPERATING INSTRUCTIONS
-72dB
uni-directional
100 to 10,000Hz
600 ohm
3V or 1.5V DC
15 to 30M
M-310