Samsung SGH-X427ZSACIN - Manual (Page 159)

Phone Settings
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Note: Note
: To deactivate a shortcut key, select the None option.
3. Press the Select soft key or key to save the
selection.
TTY Setting
TTY (also known as a TDD or Text Telephone) is a
telecommunications device that allows people who are
deaf or hard of hearing, or who have speech or language
disabilities, to communicate via a telephone.
Your phone is compatible with select TTY devices which
have an internal CTM. Please check with the manufacturer
of your TTY device for connectivity information and to
ensure that the TTY device supports digital wireless
transmission.
Note: The TTY option is not viewable but can be accessed by entering 9 on the
keypad from this menu.
Use the following steps to access the TTY settings:
1. From the menu screen select Phone Settings (Menu
9).
2. Press the 9 key to access this function.
3. Enter 4-T-T-Y or (4889) in the password field and press
the OK soft key.field.
The following options are available:
Enable: CTM is active and TTY is available for use.
Disable: CTM is not available for use.
Note: For additional technical support you may access the following website or
call 1-888-987-4357.