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How to adjust the display’s contrast on Group 5 controller?

At Home Screen, Press and Hold the Escape Key (ESC) for a few seconds.


Standard Group 5 Controller Display and Keypad
Escape key (red arrow)


At 2 seconds, the display’s contrast will brighten gradually until text becomes not visible. As you continuously hold the Escape key, the display’s contrast will darken gradually. Text becomes darker and deeper up until it shows black boxes.

LCD Display showing Black boxes


Release the Escape Key when desired display contrast is attained.

Notes:
  1. Keeping the Escape key being pressed/hold lets the display contrast keep on changing gradually- brightens, then darkens. (Cycle repeats.)
  2. You can perform this contrast change, at any screen interface.

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