Uniden DSS7855 Owner's Manual page 21

Adjusting the LCD Contrast
Contrast adjusts the LCD brightness. Choose one of the ten levels for optimum viewing.
1) Press the MENU soft key. Select the Contrast submenu if
using the base. Select the Handset Setup menu and then
the Contrast submenu if using a handset.
2) Press /volume up/down to adjust the contrast of the
LCD (ten levels).
3) Press the OK soft key. You will hear a confirmation tone.
Setting the Key Touch Tone (Handset only)
Key Touch Tone is the tone your keypad makes when keys are pressed. You can turn this
tone on or off.
1) Press the MENU soft key.
Select the Handset Setup menu, and then the Key
Touch Tone submenu.
2) Press /volume up/down to select
3) Press the OK soft key. You will hear a confirmation tone.
Key Touch Tone
On
Off
or .
On Off
BACK
[20]
OK