Vertical Communications DSU and DSU II - Manual (Page 73)

Using The Other
Telephone Features
Chapter 8 details the features that enhance the basic operation of your
telephone. All of the features in this chapter are listed in alphabetical
order for your convenience.
8.1 Adjusting The Display Contrast
You can adjust the contrast of the display to darken or lighten it for best
viewing.
•
To adjust the display contrast,
1. Press OPTIONS.
2. Press NEXT until DISP appears.
3. Press DISP (display reads “contrast level”).
4. Press LIGHT or DARK to change contrast level
accordingly (press button once for each degree
of change desired).
5. Press SPEAKER to save the last level and end.
8
GCA70–245 Using The Other Telephone Features
LCD Speakerphone Reference Manual 8–1