AT&T TL7610 - Manual (Page 13)

7
Getting started
Headset base installation
Installation preparation
Before installing the headset base:
Remove the rear bottom piece of the headset base by pushing it
away from the base (as shown in Figure 1).
Install the headset base as shown on the following pages.
After completing installation option 1, 2 or 3:
Slide the rear bottom piece towards the headset base until it
clicks into place (as shown in Figure 2).
Figure 1
Figure 2