Casio C721 User Manual

SETTINGS & TOOLS

 Enter your banner text (up to 18 characters) then press the 

Center Select Key [OK].

k ERI Banner

If you use ERI Service, ERI Text is shown on the sub banner.

 From the idle screen, press the Center Select Key [MENU], 

then use the Directional Key 

a to select Settings & Tools 

and press the Center Select Key [OK].

 Press 

5 Display Settings, 1 Banner, 2 ERI Banner.

 Press the Directional Key 

j up or down to select On/Off, then 

press the Center Select Key [OK].

To set the duration for backlight illumination for the Main Screen 

and Keypad:

 From the idle screen, press the Center Select Key [MENU], 

then use the Directional Key 

a to select Settings & Tools 

and press the Center Select Key [OK].

 Press 

5 Display Settings, 2 Backlight.

Press 

1 Display or 2 Keypad.

Press the Directional Key 

j up or down to select one of the 

following settings, then press the Center Select Key [OK].

Even if Always On is selected for the Backlight setting, the 

backlight will turn off when the phone is closed.

If Always On is selected for the Backlight setting, the battery life 

may be shorter than the normal battery life.