Nortel Networks Nortel 4070 - Manual (Page 191)

Handset accessories
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not accessible or visible to the user until the installed MEM card is
removed from the handset.
You must remove the battery pack before you can remove or install the
MEM card. Reinstall the battery pack after you remove or install the MEM
card. For more information about removing the battery pack, see
“Installing the battery pack” (page 17). The MEM card tray is under the
battery pack on the back of the handset.
Extracting the MEM card from the frame
To install the MEM card into the handset, you must extract it from the
frame.
To extract the MEM card from the frame, perform the following step:
Attention: The MEM card feature is optional. You can operate your
handset without a memory card. An installed MEM card
allows you to personalise the handset and retain subscriber
data. The MEM card feature makes the data transfer easier
when you change to another handset.
If you use “Resetting the memory card” (page 148) from the
General Settings menu, the existing subscriptions are lost.
Your handset must be re-subscribed to the DECT system.
Any configuration changes, contacts, messages, call
entries, calendar items, and call filter items added after
installing the MEM card in the handset are lost.
Attention: A new MEM card is delivered in a larger frame; use the
following procedure to remove it from the frame before you
install it into the handset.