User's Manual

3. Operation
20
change to a different language simply follow the following
steps:
Settings ? Language Setup ? English
Note:
Available languages: English, Spanish, Portuguese, French,
Italian, German, Dutch, Norwegian, Danish, Swedish
(Region 1); English, Czech, Polish, Hungarian, Russian,
Hebrew (Region 2); English, Chinese (Region 3).
Sound Settings
Adjusting the Speaker Volume
You can adjust the speaker volume to suit your required
sound level:
Settings ? Sound Settings ? Volume
Settings ? + / -
Volume
Disabling and Enabling the Key Tone
You can disable or enable the BT-
390s key tone:
Settings ? Sound Settings ?
Key Tone Setting ? Enable/Disable
Key Tone Setting
Enable Exit
Display Settings
Adjusting Display Contrast
You can adjust the contrast of the LCD display: