Getting started with Norstar / 19P0992640 03 Modular ICS 6.0 System Coordinator GuideUsing the buttons under the displayThe three display buttons are used both for telephone featuresand programming. What each button does depends on what thedisplay shows. Some display instructions that you may see whenmaking changes on the system include OK, CHANGE, or COPY. Inthis guide, display button instructions are underlined.Display buttonsThe programming overlayWhen you begin programming, a group of buttons on thetelephone become the buttons for moving through programmingheadings and settings. The programming overlay is a papercutout that is included with the Programming record. It relabelsthe four buttons to name the actions you use duringprogramming. If you lose the overlay, there is an extra overlayincluded in the back of this book that can be printed and cut out.Programming buttons are active or inactive at different stages ofprogramming. A button is active (meaning you can use thatoption), when the indicator next to it is lit (ª or º).display buttondisplay textdisplay button command
