12

Troubleshooting

Situation

Solution

 

 

 

• Connect the power cord properly.

 

• Check if the power LED is on or not.

 

• Press power on the control panel or remote

 

control.

 

• Press source to cycle through connected

No picture and sound.

video sources.

• Press channel up or channel down to

 

 

switch to other TV stations.

 

• Check the TV/CATV OSD settings. See

 

“TV/CATV” on page 65.

 

• Make sure all cables are connected

 

properly.

 

 

 

• Check the antenna and cable connections.

No picture, or poor picture, sound is OK.

• Adjust the brightness in the OSD menus.

 

See “Brightness” on page 48.

 

 

 

• Adjust the saturation in the OSD menus.

Picture is not in color.

See “Saturation” on page 51.

• Make sure all cables are connected

 

 

properly.

 

 

 

• Make sure the source device is functioning

 

properly.

 

• Make sure the audio cable is connected

 

securely.

Picture is OK, no sound.

• Turn the mute off.

• Press volume up on the control panel or

 

 

remote control.

 

• Make sure the MTS option is set to

 

STEREO, SAP, DUAL, or EX. DUAL. See

 

“MTS” on page 66.

 

 

 

• Adjust the balance in the OSD menus. See

One of the speakers has no sound.

“Balance” on page 60.

• Make sure the audio cable is connected

 

 

securely.

Cannot receive some TV channels using cable TV.

Try the Auto Program function in the OSD “TV Setting” menu. See “Auto Scan” on page 67.

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HANNspree LT12-23U1-000 user manual Troubleshooting, Situation Solution

LT12-23U1-000 specifications

The HANNspree LT12-23U1-000 is a versatile and innovative all-in-one touchscreen computer designed to meet the demands of both home and professional environments. With its unique combination of style, functionality, and advanced technology, this device is built for users who require efficient performance without compromising on aesthetics.

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