Samsung SCH-A645BKAATL - Manual (Page 158)

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3. Use the Left and Right navigation keys to adjust the
contrast for the display you select, then press the key
to save your setting.
Auto Hyphen
Auto Hyphen automatically hyphenates phone
numbers as they are entered.
Example: If you enter “5804370000”, “580-437-0000” appears in the
display.
1. In standby mode, press the MENU (left) soft key ( ),
then press (for Settings) and (for Display), and
for Auto-Hyphen. The following options appear in
the display:
ⅷ Off
ⅷ On
2. Use the navigation keys to highlight the desired setting.
3. Press the key to save the setting.
Dial Digits
Dial Digits adjust the color of numbers as they are
entered into the display when making a call.
1. In standby mode, press the MENU (left) soft key ( ),
then press (for Settings) and (for Display), and
for Dial Digits. The following options appear in the
display:
ⅷ Basic — All Dial Digits are black.
ⅷ Rainbow — Each number color is different.
ⅷ Monochrome — All Dial Digits are the same selected color.
ⅷ Hyphenate — Number colors divided by hyphens are the
same.
OK
OK