User Manual

Headset Power Switch and Volume Control

A power switch with non detented volume control is provided. This control is located on the

bottom side of the right ear dome on the UHW-10/ 20 headsets, and on the top side of the

left ear dome on the FHW-10 headset. Volume should be set at a comfortably high audio level

to optimize performance but not so high as to cause audio distortion and hearing discomfort.

LED Indicators

All headsets have one green and one red externally viewable LED indicators located on the

top side of the left ear dome (same side as boom microphone).

These two LED s operate as follows:

Power off mode:

• Charging: red LED on

• Charge Complete: red LED off, green LED on.

Power on mode (charger not plugged)

• Headset not connected to base: green LED flashing rapidly,

red LED off.

• Headset connected to base: green LED on.

• Low Battery, headset connected or not connected to base: green LED flashing slowly,

red LED off.

Note: When the battery is low, the headset will also sound an

audible 3 tone pattern once every minute.

• Very low battery, headset not connected to base: green LED flashing rapidly, red LED

flashing slowly.

Note: When the battery is very low the headset will also sound an audible

6 tone pattern once every minute.

• Very low battery, headset connected to base: green LED on, red LED flashing slowly.

Power on (charger plugged)

• Charging, headset connected: green LED on, red LED on.

• Charging complete, headset connected: green LED on, red LED off.

• Charging, headset not connected: green LED flashing rapidly, red LED on.

• Charging complete, headset not connected: green LED flashing rapidly, red LED off

Microphone Placement

Place the microphone in front of the mouth and no more than 1/8" away from the lips as

shown in the diagram below. Placement of the microphone is critical for proper operation of

the noise gating feature.

If the microphone is positioned incorrectly, you

may experience a reduction or interruption in the

audio and or deterioration in clarity of intercom

and radio communication.

No more than

1/8" from lips