Samsung SCH-A870MBAVZW User Manual
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Sect
ion 3
1. Press
MENU. Use the right navigation key to
highlight
SETTINGS & TOOLS.
2. Press
Phone Settings.
3. Press
System Select.
4. Use the up or down navigation keys to choose the setting
you want, and press
.
TTY
Your phone is fully TTY compatible. Connect the TTY 
equipment to the headset jack, which is located on the left 
side of the phone. Before you can use your phone with a 
TTY device, you’ll need to enable TTY functions in the 
phone.
1. Press
MENU. Use the right navigation key to
highlight
SETTINGS & TOOLS.
2. Press
Call Settings.
3. Press
TTY Mode. The TTY Mode screen displays.
4. A warning appears in the display stating “ENABLING
TTY WILL DISABLE HEADSET AUDIO. CONTINUE?”
Use the up or down navigation key to highlight Yes and 
press 
to proceed to TTY MODE screen.
Use the up or down navigaton key to highlight No and 
press 
to return to Call Settings menu.
5. Use the up or down navigation keys to select one of the
following:
• TTY Full
• TTY + Talk
• TTY + Hear