AT&T MERLIN LEGEND Release 2.0 Analog Direct-Line Console Operator's Manual page 78

Features
4. Dial one of the following, as appropriate:
*760 for ES Off
*761 for ES1
*762 for ES2
5. Repeat Steps 3 and 4 to program remaining buttons.
6. Slide the T/P switch to the center position.
To Change Extension Status from Your
Console
1. Press the programmed ES Off, ES1, or ES2 button.
2. Press the DSS or Auto Dial button for the extension you
want to change.
N O T E :
You can change to ES Off only from a console that has
been programmed with this capability. Status cannot be
changed to ES Off from an extension, except in calling
groups.
Extension Status
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