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Cautions and Warnings
2 ©2020 CAE 905K472552 v1.1
CAE LucinaAR
Heat Related Concerns
The HoloLens 2 may become very warm during normal use. HoloLens 2 complies with the user-
accessible surface temperature limits defined by the International Standard for Safety of Information
Technology Equipment (IEC 60950-1).
To reduce heat related concerns, follow these guidelines:
• Allow for adequate air circulation under and around the device.
• Use caution when operating your device with a pillow, blanket, hat or other soft material
contacting the device because the material can block the airflow which may result in the
device overheating.
• If your device gets uncomfortably warm, remove it and allow it to cool.
Photo Sensitive Seizures
A very small percentage of people may experience a seizure when exposed to certain visual images,
including flashing lights or patterns that may appear in virtual environments.
The risk of photosensitive epileptic seizures may be reduced by taking the following precautions:
• Use the HoloLens 2 in a well-lit room.
• Do not use HoloLens 2 when you are drowsy or fatigued.
• If you or any of your relatives have a history of seizures or epilepsy, consult a doctor
before using HoloLens 2.
Even people who have no history of seizures or epilepsy may have an undiagnosed condition that
can cause these “photosensitive epileptic seizures” while watching virtual simulations.
These seizures may have a variety of symptoms, including light-headedness, altered vision, eye or
face twitching, jerking or shaking of arms or legs, disorientation, confusion, or momentary loss of
awareness. Seizures may also cause loss of consciousness or convulsions that can lead to injury from
falling down or striking nearby objects.
Immediately stop using the HoloLens 2 and consult a doctor if you experience any of these
symptoms.