Samsung SGH-T989 User Manual (user Manual) (ver.f5) (English(north America)) - Page 209

TTY Mode A TTY (also known as a TDD or Text Telephone) is a telecommunications device that allows people who are deaf, hard of hearing, or who have speech or language disabilities, to communicate by telephone. Your phone is compatible with select TTY devices. Please check with the manufacturer of your TTY device to ensure that it is compatible with digital cell phones. Your phone and TTY device will connect via a special cable that plugs into your phone's headset jack. If this cable was not provided with your TTY device, contact your TTY device manufacturer to purchase the connector cable. 1. Press ➔ and then tap (Settings) ➔ Call ➔ TTY mode. 2. Tap Full TTY to activate the feature, or TTY mode off to deactivate the feature. Off is the default setting. HAC Mode This menu is used to activate or deactivate Hearing Aid Compatibility for this device. 1. Press ➔ and then tap (Settings) ➔ Call. 2. Tap the Hearing aids field to activate the feature (green check mark), or tap it again to deactivate the feature. Off is the default setting. Configuring Additional Voice Call Settings 1. Press ➔ and then tap (Settings) ➔ Call ➔ Additional settings. 2. Tap one of the following options: • Caller ID: chooses whether your number is displayed when someone answers your outgoing call. Choose from: Network default, Hide number, or Show number. • Call barring: blocks specific types of calls (All outgoing calls, International calls, etc..). • Call waiting: notifies you of an incoming call while you are on another call. Changing Your Settings 204