2
Introduction
Symbols
For information on the origin of these symbols, visit http://www.welchallyn.com/
symbolsglossary for the Welch Allyn symbols glossary.
Documentation symbols
Consult operating instructions/directions for use (DFU). A copy of the DFU is available on this website. A printed copy of the
DFU can be ordered from Welch Allyn for delivery within 7 calendar days.
WARNING The warning statements in this manual identify conditions or practices that could lead to loss of data, illness,
injury, or death.
CAUTION The caution statements in this manual identify conditions or practices that could result in damage to the
equipment or other property.
Power symbols
Rated power input, DC
Battery inside (Not user replaceable)
Power On/Off
USB port
DC power input port, Center pin positive
Welch Allyn Spot Vision Screener VS100