Port #1, #2 & #3:

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Msg: failed to open USB device.
Cause: check your USB cable is plugged and/or the calculator is ON! Check your libusb and usbfs permissions, too.
System: Ioctl() not good for this peripheral (translated from french: "inappropré pour un périphérique") (errno = 25)
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<I get twice time this error message>

IN THE CONSOLE:
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ticables-INFO: Check for lib-usb support:
ticables-INFO:     usb support: available.
ticables-INFO: Check for lib-usb usability:
ticables-INFO:     usb filesystem (/proc/bus/usb): mounted

(tilp-2:7386): ticables-WARNING **: no devices found!

tilp-INFO: tilp_device_err catched error 37
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Port #4:

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Msg: illegal operation or argument.
Cause: the program which uses this library is buggy. Fire-up the developer!
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<I get this error message twice>

IN THE CONSOLE: 
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ticables-INFO: Check for lib-usb support:
ticables-INFO:     usb support: available.
ticables-INFO: Check for lib-usb usability:
ticables-INFO:     usb filesystem (/proc/bus/usb): mounted
ticables-INFO: Check for lib-usb support:
ticables-INFO:     usb support: available.
ticables-INFO: Check for lib-usb usability:
ticables-INFO:     usb filesystem (/proc/bus/usb): mounted
tilp-INFO: tilp_device_err catched error 2
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