Owner`s manual

Settings allow you to customize T43H applications, set date and
time, sound, display, update, and calibration.
Sound setting
You can change your volume level by the following three methods:
Press and hold the volume hardware key on the left side of the unit.
Use Sound Setting on the Setting menu.
Use the sound control bar in each application (if needed)
Setting
Setting
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Sound setting on your unit is used for features such as spoken instructions, tap
sound, Video and Audio.
Tap Sound setting on the Setting menu to start your sound setting.
Your unit contains a high quality speaker that is used to play the sounds on your
unit.
The Earphone Jack in your unit can be used for both the External FM antenna and
earphones.
Your unit has been designed to select the speaker option manually since your unit
might recognize the External FM antenna as an earphone.
If you want to use earphone sound only, turn off the speaker option.
Your unit will sound through both the earphone and the speaker unless you turn
off the speaker option
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Controlling TAP SOUND
Controlling speaker
Tap or to select TAP SOUND option.
If TAP SOUND is turned on, you can hear the sound when you tap buttons on the
screen.