• 2 Front & Rear Panel

Each button on the Pianovelle PS1500 control panel activates a specific function, selects an item in the display, or interacts with the currently se- lected operating mode to assist with the opera- tions.

This chapter explains what happens when you press the buttons.

BUTTONS WITH LEDS

Functions represented by a button with a LED (light emitting diode) indicate the on/off status of the respective function. Pressing these type of buttons repeatedly toggles between the “On” and “Off” status. When the LED is on, the respective function is active. In some cases, the LED flash- es to indicate a special situation.

BUTTONS WITHOUT LEDS

Buttons without LEDS normally gain access to a selection environment, or an editor belonging to one of the operating modes. In both cases, an appropriate display is activated showing items that are selected with the underlying Function but- tons (F1…F8).

Front & Rear panel 2•1

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IBM PS1500 owner manual Buttons with Leds, Buttons Without Leds