Radio Shack 420 Caller ID Box User Manual


 
16
ADJUSTING THE DISPLAY CONTRAST
1. Repeatedly press
MODE
until the system displays
CALLER ID MODE
.
2. Press either
REVIEW
button. The system displays the
total number of stored calls.
3. Press and hold
READ
for about 6 seconds. The system
shows
CONTRAST
:
XX
.
4. Press
REVIEW
to increase the contrast (up to 15) or
REVIEW
to decrease it (down to 00).
5. Press
READ
to store the setting.
43-971.fm Page 16 Monday, August 16, 1999 4:12 PM