Speaker icon and Mute
2
Before you start
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14
•
Speaker icon is located on top of the
screen. It indicates current volume
level from Mute to level 12.
(Default volume level is 10)
•
For each application,
Mute
button will
allow you to set volume “level 0” with
one easy click. The speaker icon
indicates that the volume is muted.
•
To cancel mute function, simply tap
Mute
button again and T43H will
automatically un-mute.
Back Light off to save power
1. Tap on
Setting
from the main menu screen.
2. Tap on
Display setting
.
3. Tap on
Back Light
and set the time
duration ; Never, 1minute,…
(Default setting of Back light option is 10 sec.)
Gently press the volume key (increase or decrease) to turn on the back light.
Your unit can be set up to automatically shut down the LED back light of the screen
by using the
time duration
setting. Your unit will automatically turn off the back
light after the
time duration
has passed without any physical contact applied onto
the touch screen.
If your unit is connected to a DC adaptor or
USB cable, then the Back Light will always be
turned on even when the
Back Light setting
is
set as “
Never
”.
< Back Light on >
<Setting>
<Display setting>