Samsung SGH-T999MBBTMB - Manual (Page 269)

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 device 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. From the main Call settings page, tap TTY mode.
2. Tap TTY Full, TTY HCO, or TTY VCO to activate the
feature, or TTY 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.
� From the main Call settings page, 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.
Blocking Mode
When Blocking mode is enabled, notifications for selected
features will be disabled. You will only receive notifications of
incoming calls from people on your allowed list.
1. From the Home screen, press and then tap
Settings ➔
My device My device
(My device tab).
2. In a single motion touch and slide the Blocking mode
slider to the right to turn it on.
Confirm the Blocking mode active icon appears in
the Status bar.
3. Place a green check mark adjacent to those features
you would like to enable. Choose from: Block incoming
calls, Turn off notifications, Turn off alarm and timer,
Turn off LED indicator.
Changing Your Settings 262