1
3
2
Figure 22
Safety symbols on the rear panel
1
Attention
2
Physical hazard
3
Attention
Symbols and
descriptions
On (Power)
Off (Power)
Earth (ground) terminal
Protective conductor terminal (main ground)
Alternating current
Both direct and alternating current
Conformity mark
Description
Indicates conformity with safety requirements for Canada and U.S.A.
Indicates conformity with China RoHS requirements.
Indicates conformity with European Union requirements.
Control and
connection
symbols
Conformity
symbols
Appendix F
Safety
Symbols on this instrument
F
156
3730xl DNA Analyzer with 3730xl Data Collection Software 5 User Guide