3
The PC volume knob, phone volume knob and headset microphone knob
are turned clockwise to increase the volume and anticlockwise to decrease
the
volume. Each has a printed “–“(minus) sign and a “+” (plus) sign
marking the quietest and loudest points.
The PC volume knob, phone volume knob and headset microphone knob
turn freely from left to right.
The mode select button has four mode settings.
•
Mode 1
– enables you to listen to the computer in both earpieces
•
Mode 2
– enables you to listen to the phone line in one earpiece and the
computer in the other
•
Mode 3
– enables you to listen to the phone line in both earpieces.
•
Mode 4 - enables you to listen to an auxiliary device in both earpieces
The mute select button has an on/off function. The mute select button will
mute all inputs including the microphone. The mute select button is simply
pushed and a single beep will be heard when the mute is active. The mute
select LED will flash continually until the mute select button is pressed
