i3TOUCH PXr Series - Manual
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Audio problems
Image but no sound
Check whether mute button is pressed for mute.
Press VOL + / - to adjust volume.
Check whether audio line is connected correctly.
Only one speaker
has sound
Adjust sound balance in menu.
Check whether computer sound control panel only sets up one sound channel.
Check whether audio line is connected correctly.
HDMI output
without sound
Check whether the external device is connected correctly.
Maintenance
Proper maintenance can avoid many early faults and regular careful cleaning can make machine brand
new. Please unplug power plug before cleaning and maintenance, to prevent electric shock.
Clean screen
Please mix and stir even a little fabric softener or tableware detergent with alcohol.
Please use a soft cloth to be completely soaked in the mixture.
Please take out cloth and twist to half dry state to wipe machine screen.
Repeat for several times, pay attention not to squeeze water flow into machine when wiping machine.
Clean face frame
Please use dry, soft, lint-free cloth to wipe front frame.
No use of machine for a long time
In case of no use of machine for a long time, such as holiday, please make sure to unplug the plug to pre-
vent any possible dangers caused by power supply ripple from lightning.
NOTE：The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered
trademarks of HDMI Licensing LLC in the United States and other countries.
Summary of Contents for i3TOUCH PXr Series
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