8
The Telex Echelon 25XT cell phone/audio interface has been designed to function
with the widest array of cellular telephones and portable audio devices. There are cell
phones and audio devices on the market not designed to industry physical and
electrical standards. These devices are not guaranteed to function properly with the
Echelon 25XT headset.
NOTE:
Cell phone usage while in the air or under situations requiring full
attention is not recommended.
For additional information, see the Bosch website
www.telex.com/aircraft
Volume Adjustment
When the microphone is worn on the left side, volume is increased by rotating the top
of the volume controls clockwise. Control operation is reversed when the microphone
is worn on the right side.
Microphone Gain Adjustment
The microphone gain has been factory-adjusted to the nominal level required for
aircraft use and should normally not require readjustment. Readjustment by a
qualified avionics technician is recommended.
To
access the gain trimmer
, do the following:
1.
Insert a small flathead screwdriver through the access hole in the mic
element.
FIGURE 6.
Mic Gain Adjustment
MIC GAIN
ADJUSTMENT
ACCESS
