AT&T TL7600 User Manual page 23

Getting started
Headset attachments
4. Place the neckband around your neck and over your ears.
5. Adjust and rotate the angle of the headset until the microphone
is pointing towards your mouth, as shown in Figure 14.
NOTE: Firmly grip the padded earpiece with one hand whenever adjusting
the headset microphone up or down, as shown in Figure 14.
To remove the neckband from the headset:
Hold the headset with one hand and the ear pad with the other
hand. Twist and pull the headset until it separates from the ear pad.
Figure 14
18