WARNING: Do not place any objects on top of the EyeLink Portable Duo that could
block air circulation around the unit. If the unit has been inadvertently covered during
operation, it could be hot! Uncover it immediately, turn off its power source and let it
cool, before touching it or allowing participants near it.
WARNING: This unit is drip-proof and spill-resistant; it is not watertight or waterproof.
Any exposure to substantial quantities of fluids carries risk of danger to participants.
Unit should be taken out of service IMMEDIATELY after immersion or substantial spill
onto unit, and should be returned for inspection and repairs.
WARNING: The EyeLink Portable Duo is always powered while the Host PC is connected
and powered on. Therefore observe these precautions for participant safety:
• Before performing any cleaning other than wiping the optical window, power off the
Host PC or disconnect both plugs of the USB cable of the eye tracker (see Chapters 5
and 6).
• Do not cover or place any items on top of the EyeLink Portable Duo while the Host
PC is powered on, unless the eye tracker cable is disconnected from both USB ports.
Operating the unit while covered could cause it to overheat and possibly cause a burn
hazard.
• If the EyeLink Portable Duo fails to operate properly, is running at a higher than
normal temperature, or if the cable is damaged / the illuminator is not glowing,
disconnect the USB cable or turn off the Host PC, until the operator can troubleshoot
the system.
WARNING: Use of this equipment adjacent to or stacked with other equipment should
be avoided because it could result in improper operation. If such an arrangement is
unavoidable, please make sure to check the data from all equipment to ensure that it is
operating normally.
WARNING: Changes or modifications not expressly approved by the manufacturer will
void the warranty and authority to operate the equipment. This includes modification of
cables or opening unit without express instructions from the manufacturer.
WARNING: Use of cables other than those specified or provided by the manufacturer of
this equipment could result in increased electromagnetic emissions or decreased
electromagnetic immunity of this equipment and result in improper operation.
WARNING: Portable RF communications equipment (including peripherals such as
antenna cables and external antennas) should be used no closer than 30 cm (12 inches)
to any part of the EyeLink Portable Duo, including cables specified by the
manufacturer. Otherwise, degradation of the performance of this equipment could
result.
WARNING: This equipment was not tested for degradation of performance during
immunity testing. If degradation of performance is observed that is unacceptable, check
for sources of interference that may be responsible.
