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Jensen BT-390 User Manual

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3. Operation 
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). 
t
 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-
390’s key tone: 
Settings → Sound Settings →  
Key Tone Setting → Enable/Disable 
 
Key Tone Setting 
 
Enable
 Exit 
u
 Display Settings 
Adjusting Display Contrast 
You can adjust the contrast of the LCD display: 
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