Tadiran Telecom Emerald ICE Quick Start Manual page 32

Programming the Handset
4. Toggle the [F1/F2] keys to select the [YES?] mode. Selecting
[YES] will reset the handset. Selecting [NO] will exit this mode.
5. Press [F3] to confirm. The LCD will display: (e.g. [YES]):
6. After 3 seconds, the handset comes back to the default status and
the LCD will display the following message for 5 – 10 seconds.
If the handset was never registered or has been reset, the LCD will
also display:
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