Avalue AID-173SHR - Manual (Page 7)

7
Explanation of Graphic Symbols
WARNING: dangerous voltage.
Attention, consult ACCOMPANYING DOCUMENTS.
Follow operating instructions or Consult instructions for use.
STAND-BY (Orange Light)
Direct current.
UL Mark
Authentication sign of Standard Inspection Bureau
for U.S.A
Complies with ANSI/AAMI ES60601-1 and CSA
C22.2 No. 60601-1