43
Troubleshooting
No sound.
●
Check the speaker cord connection. (
➔
page 05)
●
Press the MUTING button.
●
Check the amplifier connection.
●
When “AMP” is selected under “Speaker”, the sound is output from the
amplifier, and not from the speakers of the monitor. (
➔
page 13)
No picture from HDMI devices.
●
Select the correct input on the monitor.
●
Use a cable marked with the HDMI logo.
●
Please use a High Speed HDMI
TM
Cable. High Speed HDMI
TM
Cables are
tested to carry an HD signal up to 1080p and higher. (
➔
page 09)
No sound from HDMI devices.
●
Set “Input-1 Audio” properly. (
➔
page 37)
Cannot control HDMI CEC devices.
●
Set “Control with HDMI” to “On”. (
➔
page 36)
●
Some devices may not accept controls by HDMI CEC.
Cannot operate the product using the buttons on the monitor.
●
Set “Front Panel Lock” to “Off”. (
➔
page 29)
Picture from a computer is strange.
●
Adjust the items under “PC Setting”. (
➔
page 34)
The source indication stays on the display.
●
Turn on the selected external device and start playback.
●
When no signal is input, you cannot turn off the source indication.
The picture and the sound do not synchronize.
●
Adjust “Lip Sync”. (
➔
page 27)
●
Adjust “Picture Delay Time”. (
➔
page 25)
Colours are strange.
●
Adjust the items under “Picture”. (
➔
page A-2)
●
Load one of the picture presets to discard the current settings and
apply the selected preset. (
➔
page A-3)
GD42X1̲inst̲us.indb 43
GD42X1̲inst̲us.indb 43
09.5.27 11:27:40 AM
09.5.27 11:27:40 AM