Proximity Sensor; Tty Mode (Tele Type Writer) - LG GM 730 User Manual

Settings
ALC(Auto Luminous Control) Sensor
If you set On, LCD backlight brightness is automatically adjusted base on the exterior light.

Proximity Sensor

Once the feature is turned On, the LCD will automatically turn off when in close proximity to your face,
allowing you to only adjust the volume or end the call.
This function allows you to save power and prevents you from unintentionally activating features during
a call.
LCD backlight reverts when you are far away from the sensor.
This function automatically turns off the LCD when you are close to the sensor and turns on when you
move away.
TTY
Allows you to attach a TTY device enabling you to communicate with parties also using a TTY device.
A phone with TTY support is able to translate typed characters to voice. Voice can also be translated into
characters and then displayed on the TTY.

TTY Mode (Tele Type Writer)

TTY modes are as follows :
Menu
TTY Full
TTY+TA LK
TTY+HE AR
10
User Feature
For hearing- /
speechimpaired
For
can talk
hearingimpaired
For
audible
speechimpaired
Transmission/ Receiving
Mode
text message transmission,
text message reception
voice transmission, text
message reception
text message transmission,
voice reception
When making
communications with a
normal terminal
operator required
operator required
operator required