Samsung SPH-M220DAASPR - Manual (Page 61)

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Section 2B. Settings 47
To turn TTY Mode on or off:
1. Press Menu > Settings > More... > Accessibility > TTY.
(An informational message will be displayed.)
2. Read the informational message and press .
3. Select TTY OFF , TTY + Hear , TTY+ Talk , or TTY Full and
press .
Note In TTY Mode, your phone will display the TTY access
icon.
If TTY mode is enabled, the audio quality of non-TTY
devices connected to the headset jack may be
impaired.
WARNING 911 Emergency Calling
Sprint recommends that TTY users make
emergency calls by other means, including
Telecommunications Relay Services (TRS),
analog cellular, and landline communications.
Wireless TTY calls to 911 may be corrupted
when received by public safety answering
points (PSAPs), rendering some
communications unintelligible. The problem
encountered appears related to TTY
equipment or software used by PSAPs. This
matter has been brought to the attention of
the FCC, and the wireless industry and the
PSAP community are currently working to
resolve this.
Sprint M220.book Page 47 Wednesday, May 6, 2009 3:06 PM