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Trouble Shooting Q&A 

Most of the troubleshooting issues can be easily solved. The common cases and 
their respective solutions are listed in the table below. If the problem persists, 
please contact the after sales service. 

Problem 

Possible Reason 

Solution 

No  picture,  no 

audio. 

The  power  cord  is  not 
properly inserted into the 

unit. 

Check the power wire connection. 

The  unit  is  not  switched 
on. 

Press [POWER] button. 

Unit is in stand-by mode.  Press [POWER] button. 

In  DVB-T  mode, 

the  number  of 
DVB-T channels is 
not as much as we 

expected. 

The  number  of  available 

channels is limited due to 
the  local  broadcasting 
system.  The  available 

channels 

can 

vary 

depending on the area. 

Perform  “Auto  Search”  or  “Manual 
Search” to rescan all the channels. 

The signal quality of some 

TV channels is too low. 

Please use active antennas instead of 
passive antennas for better reception 

quality. 

Some TV channels are not 
available. 

Only  the  locally  free  broadcasted 
channels  can  be  viewed.  They  can 

differ depending on the area. 

In  DVB-T  mode, 
all of the channels 
show “no signal or 
random 

mosaic 

tiles appear on the 
display.” 

Some  TV  channels  signal 
quality is too low. 

Please use active antennas instead of 
passive antennas for better reception 
quality. 

The  antennas  are  not 
properly connected. 

Please  check  the  connection  of  the 
antennas. 

No  DVB-T  service  is 

provided in the area. 

Check  your  country  DVB-T  coverage 
map. It is not possible to watch digital 

TV/listen 

to 

digital 

radio 

in 

non-covered areas. 

Incorrect Regional Setting 

Please  check  whether  “Regional 

Setting” is correct, and perform “Auto 
Search” to rescan al of the channels. 

The  video  is  fine 

but  there  is  no 
sound. 

The  audio  volume  is  too 

low. 

Press  [VOL

]  button  to  raise  the 

volume. 

The audio is muted. 

Press  [MUTE]  button  to  disable  the 
mute function. 

The 

remote 

control  does  not 

work 

No power. 

Check  the  remote  control  battery. 
NOTE: the remote control is supplied 
with a small plastic insulator that must 
be  removed  for  the  unit  to  function. 

Check  that  the  plastic  insulator  has 
been removed.
 

No “line-of-sight” between 
unit and controller 

Ensure there are no obstacle between 
the controller and the unit. 

Содержание DVBT450

Страница 1: ...DVBT450 Car use DVB T Diversity Receiver User Manual...

Страница 2: ...you vehicle in a safe location and make necessary adjustment Do not push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that coul...

Страница 3: ...t If any solid object or liquid fall into the cabinet unplug the unit and have it checked by qualified personnel before operating it any further On Placement Do not install the in car DVB T receiver w...

Страница 4: ...rst time User 11 2 1 DVB T TV Watching 11 2 2 DVB T Radio Listening 13 2 3 Record Function 14 2 4 Movie Watching 16 2 5 Music Listening 17 2 6 Photo Viewing 18 3 Technical Settings 20 3 1 System Setti...

Страница 5: ...ected 5 POWER Wiring Connection Input harness The power input is supported either 12 V or 24 V car power system 6 TV OUT Video L R Output ports for connection to car monitor Audio L R which can be con...

Страница 6: ...insulate this blue wire if it s not being used Black Must be connected to Vehicles chassis Ground Green Must be connected to vehicles Hand Brake Wire if connecting to front monitor in vehicle Orange M...

Страница 7: ...fer to the Diagram below for some of our recommendations Rear Location Front Location 1 Behind the Rear Bumper providing it s not Metal 2 Bottom of Rear Windscreen 3 Top of Rear Windscreen 4 Top of Fr...

Страница 8: ...BUTTON Hot key to enter Teletext pages in Teletext mode 29 YELLOW BUTTON Select page up in the EPG mode or the hot key to browse teletext pages in Teletext mode 30 BLUE BUTTON Select page down in the...

Страница 9: ...9 o Power Harness Cable o Remote control o AV cord o IR Receiver Module o USB extension cable optional o 2 x Active Antenna s optional Accessories...

Страница 10: ...tton DVB T TV Mode To enter DVB T TV mode DVB T Radio Mode To listen to DVB T radio broadcasting Movie Playback Mode To enter playback mode and watch movie files Music Playback Mode To enter audio pla...

Страница 11: ...he LED on the IR Sensor will illuminate Green and the Operation LED on the unit will also illuminate Green Note If the Operation LED does not turn on please check if the remote battery is inserted pro...

Страница 12: ...options 4 Select one by pressing the OK button or exit the setting by pressing the EXIT MENU button NOTE Time zone setting will be automatically updated once the Region setting is changed Step 5 Perf...

Страница 13: ...Radio Listening 1 Press CH CH buttons to select the Radio item and then press OK button to enter the radio mode 2 Press CH CH buttons to select your preferred radio channel 3 The radio service will in...

Страница 14: ...ording with selected timer You can see the timer on below icon that is showed as the left time of recording NOTE a Please ensure that a USB Storage device is connected to the unit before recording b W...

Страница 15: ...he recorded file into 2 parts iv 1 GB storage can record approximately 45 minutes v Storage files system support only FAT FAT32format vi Generally all USB 2 0 can be used as recorded file storage Howe...

Страница 16: ...select the root folder 2 The available video files will appear on screen Use CH and CH buttons to scroll up and down the files then select the desired file by pressing OK button Press EXIT MENU butto...

Страница 17: ...2 The available audio files will appear on screen Use CH and CH buttons to scroll up and down the files then select the desired file by pressing the OK button Press EXIT MENU button to return NOTE us...

Страница 18: ...elect the root folder 2 Available picture and folders will appear on screen Use CH CH VOL VOL buttons to browse the folder then select the desired one by pressing OK button Press EXIT MENU button to r...

Страница 19: ...ss VOL button to rotate it counterclockwise Slideshow Press PLAY PAUSE to start stop photo slideshow Zoom 1 When viewing a picture presses OK button to active the zoom function 2 Press OK to zoom in o...

Страница 20: ...st 2 Press VOL button and use CH CH to scroll up and down the options 3 Select one by pressing the OK button or exit the setting by pressing the EXIT MENU button 4 After adjusting press EXIT MENU butt...

Страница 21: ...button or exit the setting by pressing the EXIT MENU button 4 After adjusting press EXIT MENU button to exit the Sound Setup III 1 4 Software Version and Upgrade To upgrade the user interface software...

Страница 22: ...m List in the TV menu and press OK button The Program List will appear on screen NOTE you can also press EPG button to enter Program List while enjoying DVB T TV Radio 2 Press CH CH buttons to scroll...

Страница 23: ...utton to activate or deactivate it NOTE Users need to key passwords when they watch locked channels Please refer to IV 2 9 Parental Lock page 25 for further details Channel Movement 1 After entering t...

Страница 24: ...el of current service 1 Browse the TV menu screen using CH CH buttons to highlight the audio option Press OK button to enter the audio menu NOTE you can also press AUDIO button to enter DVB T Audio Se...

Страница 25: ...the parental lock 1 Browse the TV menu screen use CH CH buttons to highlight the parental lock option 2 Press OK button to enter the parental lock 3 Press VOL button to access the numerical pad 4 Use...

Страница 26: ...hey can differ depending on the area In DVB T mode all of the channels show no signal or random mosaic tiles appear on the display Some TV channels signal quality is too low Please use active antennas...

Страница 27: ...e Spanish Italian Dutch Finnish Features DVB T TV Radio Auto Channel Search Multi Language EPG Channel Preview Teletext Subtitle Auto Frequency Switch AFS TV Radio Recording Record TV Radio programs o...

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