Lenco TFT-726 - Manual (Page 13)

The image stopped
suddenly or mosaic
Problem Potential Reasons What to do
No picture Power isn't connected Connect the power
The power switch is not on Switch on the power
Screen shows
No Signal
DVB-T cable not connected Plug in the DVB-T cable
Incorrect setting Reset setting
No sound from
speaker
No or incorrect connection
with audio cable Connect the audio cable
correctly
Sound on mute Turn off mute function
Incorrect sound track Try another sound track
Only sound, no
image on the
screen
No or incorrect connection
with AV cable Make sure cables are
connected correctly
The program is a radio
program Press key to
shift into TV mode
Remote Control
is not responding The battery is exhausted Change battery
Remote Control is not
facing or close enough
to the Set Top Box Adjust the position of the
Remote Control and move
closer to the unit
The signal is too weak Strengthen the signal
TROUBLESHOOTING
12
SCREEN
Adjust screen ZOOM 16:9 or 4:3
OPTION Page
Press Mode button twice for Screen Option.
Press top right button for 4:3 ratio.
Press top left button for 16:9 ratio.
SLAVE TFT MENU SETTING
PICTURE Page
Brightness
Adjust screen Bright Setting (level 0-100).
Contrast
Adjust screen Contrast Setting . (level 0-100)
Color
Adjust screen Color Setting . (level 0-100)
ENGLISH
Adjust Menu OSD Language.
Reset
Reset to default level. Press the top right button to
go to default setting.
50
50
50
PICTURE
BRIGHT
CONTRAST
COLOR
ENGLISH
RESET
SCREEN 16:9
OPTION