AT&T Small Business System Speakerphone User Manual page 17

Battery Installation
continued from page 11
3 Pull on the tab to remove the battery compartment cover.
4 Insert a 9V battery (purchased separately) following the
polarity markings in the battery compartment.
Polarity
Markings
5 Replace the battery compartment cover and the screw.
6 If you are wall mounting the phone, turn to "Wall Installation"
beginning on page 15. (You will not need the wedge; store it in case
you use the phone on a table or desk in the future.)
— OR —
If you are using the phone on a table or desk, reattach the
wedge to the base unit by sliding the tabs into the holes as shown.
Snap the wedge onto the base. Then, turn to "Table/Desk Installation"
beginning on page 13.
12