CH470SETTINGS1 Press [MENU], then select “Settings & Tools”menu, press “Call Settings” then select“DTMF Tones”.3 To save, press .DTMF TONES2 Select one of the following with the Navigation Key.NormalLongllTo adjust tone length:CLOCK FORMAT123Press [MENU], then select “Settings & Tools”menu, press “Clock Format”.To save, press .Select one of the following with the Navigation Key.DigitalAnalogOfflllTo change the clock’s appearance on the standby screen:
