Returnstar Interactive Tech IQTouch HA1100 Pro User Manual page 103

The touch function is unavailable
when the external signal source
channel is being used.
There is no sound when the HDMI
in channel is used.
No image is displayed when the
HDMI out channel is used.
The touch function on the front
panel is ineffective.
The USB flash drive cannot be
identified.
The conference records cannot
be saved on the USB flash drive,
and the system prompts "The
target storage product has no
write permissions."
The OPS has no signal.
In the embedded
system or Windows system, no
wireless network can be found or
the wireless network signal is
weak.
Switch between different external signal sources.
Ensure that the USB touch cable is connected to
the proper port. For details, see section "Ports".
Remove and insert the USB touch cable again.
Remove and insert the HDMI cable again.
Generally, this issue is caused by the compatibility
of the external display product. Replace the
external display product and test again.
The HDMI cable is too long or has a poor quality.
Replace the HDMI cable delivered with the
product.
Touch the button using your full fingertip.
Check whether the finger is wet or has other
liquids on it.
Restart the screen.
Check whether the USB flash drive is inserted into
the correct USB port. For details, see section
"Ports."
Format the USB flash drive to the FAT32 format.
Check whether the OPS is properly inserted in the
slot.
Check whether the OPS is in shut down mode.
Press the power button on the OPS (for details,
see the instructions of the OPS), and manually
start up the OPS.
operating Check whether the Wi-Fi antenna is properly
installed on the embedded operating system. For
details, see section "Ports".
Check whether the Wi-Fi antenna is properly
installed for the OPS.
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