AT&T TL7812 - Operating Your AT&T Cordless Headset; Powering the Headset On and Off; PHONE and PC Mode Selection

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Getting started
Headset attachments
To attach the ear hook to the headset:
Make sure there are no headset attachment, except the
earbud, connected to the headset.
Insert the earpiece into the ear hook loop as shown in Figure 3.
Press the edge of the ear hook loop towards the earpiece until
it clicks into place as shown in Figure 4.
4. Hook the headset onto the desired ear. Adjust the angle of the
headset until the microphone is pointing towards your mouth
as shown in Figure 5.
1.
2.
3.
Figure 3 Figure 4
Figure 5