How to brighten and dim the display on the D1255 keypad

[#1]

 Using the Change Display, CMD 49 will brighten or dim the display or to continuously show the date.

1) Press COMMAND, 4, 9.

2) Display will read BRIGHT DISPLAY?

    Press ENT to Brighten the display, or NEXT to dim display

     Press ENT to Dim the display or NEXT to replace the disarmed idle text with a continuous time and date display.