Tadiran Telecom EMERALD ICE Quick Start Manual page 18

Press [F3] to confirm, the LCD will display: (e.g. [YES]).
If the de-registration is successful, the LCD will display:
If the de-registration fails, the Handset LCD will display the
following after 20-30 seconds:
Note:
1. Using the method-A or B, the system must be in idle
mode. And, user must remove the power from base and
re-power on the base.
2. Using the method-A,
a) If the Base Unit can't linked to handset, the handset
will still be de-registered.
b) If the Base Unit de-registers one handset only and the
handset doesn't receive a de-registration command
from the Base Unit, the handset will still link with the
Base Unit but it can't use the system.
3. Using the method-B,
a) The base doesn't need to enter the de-registration
mode.
System Registration
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