Palm 650 - Manual (Page 189)

Section 3A: Sprint PCS Service Features—The Basics 177
PCS Ba
sics
5. Select OK. A red T appears at the top of the Phone screen whenever TTY is
enabled.
Important
Notice: 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.
TTY Enabled