Telex ANRTM 150 - Manual (Page 5)

Page 3
Headset Operation
1. Connect the headset as shown in Figure 2. Set the MONO/STEREO
headphone switch to match the type of sound system in your aircraft.
2. Rotate the entire boom overhead to wear the microphone on either
the right or left side of the head.
3. For best noise cancellation, position the microphone as close to the
mouth as possible and speak in a normal voice (Figure 4).
4. To activate noise reduction, plug the headset into the battery or
power module. To turn off noise reduction, unplug the headset from
the battery or power module.
5. With the headband resting securely on the top of the head, check
that the ear cups are centered over the ears. Reposition them if nec-
essary by moving the headband sliders out or in. Proper performance
depends on proper fit of the headset.
6. Headband Pressure Adjustments:
There are three pressure settings. Increasing the pressure will im-
prove the seal between the earcup and the head for greater noise
reduction. To change the pressure setting, remove the headset and
fold the earcup inward as shown in Figure 3, then rotate the adjust-
ment knob to the desired setting. Repeat for both earcups. Both sides
of the headband should be set to the same pressure setting to keep
the headband properly centered on the head.
Figure 2. Headset Connection