NewLine IB SERIES, User Manual

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63
Symptom Possible Cause Solution
Not sound is played
and no image is
displayed.
●
Check whether the power plug is inserted into the
power socket and whether the panel is powered on.
●
Check whether the rocker switch on the
interactive panel is switched on.
●
Check whether the Standby button on the panel
is pressed.
●
Check whether the video and audio input cables
are connected correctly.
●
Check whether the panel is switched to the right
signal source.
●
Check the settings on image brightness and
contrast.
●
Check the volume.
Image is displayed
properly, but no
sound is played.
●
Check the volume.
●
Check whether the Mute button on the remote
controller is pressed.
●
Check whether the audio cable between the PC
and interactive panel is connected correctly.
No image is displayed
or the image is black
and white.
●
Modify the color settings.
●
Check the color system.
The image or sound
is interrupted.
●
Find out the electric appliance that causes
the interference and move it away from the
interactive panel.
●
Do not share the power socket of the panel with
the electric appliance that causes interference.
The remote controller
fails.
●
Change the batteries.
●
Clean the signal emitter at the top of the remote
controller. (Check whether it is blocked.)
●
Check contacts of the batteries.
The PC cannot
be started. (This
scenario is applicable
only to panel models
operating with the
PC.)
●
Check whether the PC adapter is correctly
connected and whether the PC is powered on.
●
Check whether the PC is connected correctly to
the interactive panel.
The following symptoms are not faults:
●
A very few of constantly bright or dark pixels, such as tiny red, blue,
green or dark points, may exist on the LCD. This symptom is not a fault
and does not affect running functions of the panel.
●
Slight sound may occur due to the backlight adjustment or ventilation.
This is a normal symptom.
●
The image and sound are normal. However, you can sense static
electricity when you touch the LCD and metal back cover. This is a
normal symptom.