Sony ID Telephone IT-ID500 Manual De Instrucciones página 13

Adjusting the display contrast
PROGRAM button
DISPLAY button
+/~ button
7 Press PROGRAM.
2 Press DISPLAY.
"CONTRAST LEVEL 5", for example, appears on the
display.
3 Press the + button or - button to adjust the
contrast.
You can adjust the contrast in 8 grades.
4 press PROGRAM.
You hear a confirmation beep.
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