Tty Operation - Motorola C331 GSM User Manual

To set DTMF tones to be long, short, or off:
Find the Feature

TTY Operation

You can use an optional TTY device with your
phone to send and receive calls. You must plug
the TTY device into the phone's headset jack and
set the phone to operate in one of three TTY
modes.
Find the Feature
Option
TTY
VCO
HCO
Voice
Notes:
• Use a TSB-121 compliant cable.
• Set the phone volume to level 4.
• Your phone should be at least 12 inches (30
centimeters) away from the TTY device.
M
M >
Description
Transmit and receive TTY characters
Receive TTY characters but transmit
by speaking into the microphone
Transmit TTY characters but receive
by listening to the earpiece
Return to normal voice mode
Settings
>
Other Settings
>
Initial Setup
>
Settings
Other Settings
>
Initial Setup
>
TTY Setup
>
DTMF
>
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