- Nextel Digital Multi-Service Data-Capable Phone User's Guide

118
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• VCO (Voice-Carry-Over) — for calls in which you speak into your phone
and read text replies on your TTY device.
• HCO (Hearing-Carry-Over) — for calls in which you type text on your
TTY device on listen to voice replies on your phone’s speaker.
You can set your TTY mode using your phone’s Settings menu at any time, or
by issuing commands from your TTY device while on an active call.
To set your phone’s TTY mode using your phone’s Settings menu:
To set your phone’s TTY mode from your TTY device, issue one of the
following commands while on an active call:
•“VCO please”—to select VCO mode.
•“HCO please”—to select HCO mode.
•“HCO off please”—to turn off HCO mode.
NOTE: TTY device manufacturer’s proprietary feature such as Turbo-
Code, High-Speed, and Interruption are not supported by your
phone. These features must be turned off or disabled to use
your TTY device with your phone.
Setting TTY Baud Rate
NOTE: This feature may not be offered by your service provider.
By default, your phone’s TTY baud rate is set to 45.45, the baud rate required
for TTY calls within the US. To make calls outside the US, set your TTY baud
rate to 50.0.
1 From the Initial Setup screen, press R to scroll to TTY Setup.
2 Press C under CHANGE.
3 Press S to scroll to the desired TTY mode; Off, TTY, VCO,orHCO.
4 Press C under SELECT.
IMPORTANT:
When you are using HCO, the sound coming from
your phone speaker may be uncomfortably loud.
Use caution when putting the phone to your ear.
(For information on setting your phone’s speaker
volume, see “Voice Volume” on page 120.)