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DESKTOP MICROPHONE MODEL AV-908 INSTRUCTIONS
Thank you very much for your purchase of “AVAIR” Desktop Microphone Model AV-908. To enjoy
this unit satisfactorily, please read the instructions carefully and we hope you can enjoy this microphone
for a long time.
FEATURES:
High Sensitivity Ceramic Microphone Elements equipped.
High Quality Compressor Amplifier (High, Med., Low
Selectable) built-in. It sends out always constant and optimum
Level without distortion regardless of audio input level.
Equipped with Graphic Equalizer for Optimum Audio Quality
Control. The Audio Quality can be controlled by 4 Element
Graphic Equalizer with Center Frequencies of 270, 540, 1000
And 2000Hz. It gives best Audio Quality for FM mode and
Maximum efficiency for SSB mode DX.
Non-Modulation Prevention Circuit built-in.
After continuous transmitting for a few minutes, the alarm circuit will be activated with alarm sound
for 30 seconds. Then, the condition returns to the receiving mode automatically.
Battery-Check Circuit built-in.
Press the power switch and the level meter indicates the battery condition with power voltage for a few
seconds.
CONTROLS (Front Panel and Rear Side): (Fig.1)
GRAPHIC EQUALIZER
OUT ;EVEL COMP EQUAL PTT LOCK
10 4 2 5 6
1)“Power” and Graphic Equalizer ON/OFF Switch (also for Battery Check):
Set the Power Switch(1) to “ON” and the Level Meter(8) indicates the battery condition. A little
while later, the level meter will return to its original function as level meter. To activate the Equalizer
function,. Set the power switch (1) to “EQUAL ON” position.
(How to Check the Battery) Turn the Power Switch (1) “ON”, then the pointer deflects and stops
For a few seconds. If the pointer stops at the outside of green-zone,
Replace the battery to new one.
2)Compressor Level Selector Switch
HIGH (45dB): Select this position when you speak in a low voice or away from the Microphone in
a quiet place. (The microphone will pick up the noise around the microphone.)
MED (35dB) : This is optimum position for normal QSO. You can enjoy QSO with enough voice
level at 10cm away from microphone.
LOW (10dB) : The compressor function will activate only when microphone had a big input level of
audio. Select this position when you operate at noisy area.
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