NEC E1100+ - Manual (Page 21)

GLOBALSYNC: Eliminates color impurity that may result from the
Earth’s magnetic field. Move the location of the control bar to the
closest compass point that corresponds with the direction in which the
CRT faces. Adjust the control until the most even level of blue is
reached. Exit to the sub-menu after completion.
Information
Provides you with additional information which includes the following:
FITNESS TIPS: The Fitness Tips provide you with helpful reminders
to periodically rest your eyes. You may select how frequently the
reminders are displayed based upon your individual needs.
Select an interval from 15, 30, 45, 60, 90, 120 minutes for the tips to
appear. When the tips appear, follow the advise of the tips and press
EXIT to clear.
Additional information: Adjust the monitor height so that the top of
the screen is at or slightly below eye level.
Position your monitor no closer than 30 cm and no further away than 60
cm from your eyes. The optimal distance is 45 cm.
Set up your work area to promote a natural and relaxing position.
Rest your eyes periodically by focussing on an object at least 6 m away.
Blink often.
Stretch and walk during frequent short breaks. Relax muscles and joints.
Have regular eye checkups.
E - 16 OSM Menus