User guide

65
Settings and Adjustments
DT288
Key click
The key click, the acknowledgement sound when a key is
pressed, can be enabled or disabled:
Select
Handset and press
Select Alerts and press
Select KeySound and press
The current setting,
Click or Silent, is shown on the display.
Select the required setting and press
Display light
The display illumination is automatically switched on when a key
is pressed. The illumination can be enabled or disabled:
Select Handset and press
Select Display and press
Select Light and press
The current setting,
Automatic or Off, is shown on the display.
Select the required setting and press