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Troubleshooting
No sound.
● No sound is output from the monitor if the dedicated speaker unit (sold
separately) is not connected. (➔ 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 11)
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 07)
No sound from HDMI devices.
● Set “ Input-1 Audio ” properly. (➔ page 35)
Cannot control HDMI CEC devices.
● Set “ Control with HDMI ” to “ On ”. (➔ page 34)
● 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 27)
Picture from a computer is strange.
● Adjust the items under “ PC Setting ”. (➔ page 32)
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 25)
● Adjust “ Picture Delay Time ”. (➔ page 23)
Colors 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)
No pictures displayed from an SD card/USB device.
● Check whether the picture files are of the supported format.
(➔ page 39)