Avaya 4027 User Manual page 228

Handset accessories
4. If you need:
to install a memory (MEM) card, see
removal" (page 231);
to install a Bluetooth wireless technology module, see
wireless technology module installation" (page 234);
to charge the battery pack refer, see
(4075 only)" (page 229).
5. Install the battery pack, pushing it into the casing as shown in
Figure 23.
6. Press the battery pack down until it locks.
7. Install the battery cover and lock it.
Figure 22: Unlocking the battery cover
228
"MEM card installation and
"Charging the battery pack
"Bluetooth