Using The Buttons Under The Display; The Programming Overlay - Nortel Modular ICS 6.0 Manual

Using the buttons under the display

The three display buttons are used both for telephone features
and programming. What each button does depends on what the
display shows. Some display instructions that you may see when
making changes on the system include OK, CHANGE, or COPY. In
this guide, display button instructions are underlined.
Display buttons

The programming overlay

When you begin programming, a group of buttons on the
telephone become the buttons for moving through programming
headings and settings. The programming overlay is a paper
cutout that is included with the Programming record. It relabels
the four buttons to name the actions you use during
programming. If you lose the overlay, there is an extra overlay
included in the back of this book that can be printed and cut out.
Programming buttons are active or inactive at different stages of
programming. A button is active (meaning you can use that
option), when the indicator next to it is lit (ª or º).
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display button command
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Modular ICS 6.0 System Coordinator Guide