Owner`s manual

Speaker icon and Mute

Before you start

• 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 >