Page 222 - Educational Technology A Primer for the 21st Century

Appendices 215

hole on turns using Recover (continued)
sensation it and distance eye for accurate.

light using longtime (reminding

the automatically, the the not is
from monitor in join reminding detected

System away cm 20 off turns effectively to whether durations fatigue and result

Protective about is face screen the panel, leaves face to function determine multiple reminding measurement direction

Use the or the the or sensor screen the sensor and reference, in add distance using) the if measurement

Eye article of right article s 60 range to eyes range to sight eye display calibration

of Remarks the When upper the when and 30, the Enable between the Enable the as Take plan control available is Including longtime Full-screen Conduct initial the
Integration on 10, screen setting distance It to reference reference

Functional second-level The functions sensation Light delay off turning Environment verification Time Frequency visibility of Range of Changing length of Changing distance

Product and

Competitive first-level The functions protection Eyesight switch functions Assistant startup Timely shutdown protection Eye reminding Calibration

3:
Appendix Module distance Sight protection