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6.4
Symbols
The following symbols are used on this system. Note that the safety symbols are not
shown here; they are shown in section 2 "General Safety Information".
Symbol
Functional ground
Equipotential
Main power switch OFF (AC power not supplied to
system)
Main power switch ON (AC power supplied to
system)
Power OFF (power not supplied to electronic
circuits)
Power ON (power supplied to electronic circuits)
Transducer connector A
Transducer connector B
Transducer connector C
Transducer connector D
Pencil transducer connector
ECG (Electrocardiogram)
ECG (Electrocardiogram)
PCG (Phonocardiogram)
PULSE
External input terminal
Footswitch
Alternating current (AC)
Manufacturer
Date of manufacture
Serial number
Authorized representative in the EC (on systems
complying with European Directive 93/42/EEC)
No. 2B771-004EN*M
6-8
Description
*
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