Avalue Technology ARC-21W38 Quick Reference Manual page 11

Explanation of Graphical Symbols
A WARNING statement provides important information about a
Warning potentially hazardous situation which, if not avoided, could
result in death or serious injury.
A CAUTION statement provides important information about a
potentially hazardous situation which, if not avoided, may result
Caution
in minor or moderate injury to the user or patient or in damage
to the equipment or other property.
A NOTE provides additional information intended to avoid
Note
inconveniences during operation.
Direct current.
Alternating current
Stand-by, Power on
FCC Certification
CE Certification
Follow the national requirements for disposal of equipment.
Stacking layer limit
This side up
Quick Reference Guide
ARC-21W38 Quick Reference Guide 11