HANNspree ST40-12A1 Handheld TV User Manual


 
53
Cannot operate menus.
If OSD items are colored light blue,
the system is in a state such that
those settings are not available. For
example, video setting is available in
TV mode.
No image but have sound.
Make sure the video signal cable is
connected properly.
No sound but have image.
Make sure the source device is func-
tioning properly.
Set the volume to a higher level.
Make sure the audio cable is con-
nected securely.
Turn the mute off.
Screen image turns over.
Make sure the video signal cable is
connected properly.
Snow appears on the screen.
Adjust the location of the antenna,
placing it far from roads or sources of
interference.
Check the antenna and the video sig-
nal line connections.
Blurred or overlapped
images.
Readjust the sharpness setting.
Choose programs with high quality
signals.
Adjust the direction of the antenna or
change the video signal cable.
Situation Solution