Motorola T720 User Manual page 63

Contrast
DTMF
Master Reset
Adjust the contrast setting
for your display.
Your phone can send a
number to the network as
dual tone multi-frequency
(DTMF) tones. DTMF tones
are used to communicate
with automated systems
that require you to enter a
number such as a code,
password, or credit card
number. Use this option to
set DTMF tones to be long,
short, or off.
Reset all options back to
their original factory settings
except for the unlock code,
security code, and lifetime
timer.
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