Siemens ADVIA 2120 Operator's Manual page 470

This is the Off symbol.
This is the Start symbol.
This is the Standby symbol.
This symbol indicates the switch position for normal
system operation of the waste container.
This symbol indicates the switch position for
emptying the waste container.
This symbol indicates the need to empty the waste
container.
This symbol indicates the open and closed positions
for a spigot.
This symbol indicates liquid waste.
This symbol indicates pressure. In this example, the
symbol indicates 20 PSI.
This symbol indicates vacuum. In this example, the
symbol indicates a vacuum of 20" Hg.
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This symbol indicates the manual open-tube
sampler.
This symbol indicates the manual closed-tube
sampler.
This symbol indicates that there is a rack in the
sampler.
Warnings and Safety Information B-7