AASTRA DT590 for MD Evolution User Guide EN - Manual (Page 129)

259 MD Evolution – Cordless DT590
DT590 Adjustments
Display Backlight
Your phone has a display which is illuminated when a key is
pressed. The illumination automatically goes off after a while,
unless you press a key.
Route: Menu » Toolbox » Display » Backlight ¾
Press.
º
Select the “Toolbox” tab.
º Ь Ы
Select the menu item “Display” and confirm.
º Ь Ы
Select the menu item “Backlight” and confirm.
The following options are available:
•
On
• Off
• Automatic
The current setting is indicated. º
Select one of the following options:
• “On” for illuminating the display always.
• “Off” for no illumination of the display.
• “Automatic” to activate illumination of the display when a key is
pressed. Ь Ы
Press to confirm and save the settings.