Table of Contents Draco U-Switch
56
11 Troubleshooting USB-HID
Diagnosis Possible reason Measure
Scroll Lock LEDs on
the keyboard are
flashing.
Press Esc to leave the command mode.
USB device without
function.
No USB-HID device Check the connection of the USB-HID cable
to the USB-HID device.
Connect a USB-HID device.
Contact dealer if necessary.
USB-HID device is not
supported
Check the compatibility.
Contact your dealer if necessary.