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Symbol
Direct current
Alternating current
Both direct and alternating current
Three-phase alternating current
Earth (ground) terminal
Protective earth (ground) terminal
Frame or chassis terminal
Terminal for Neutral conductor on
permanently installed equipment
Terminal is at earth potential
(Used for measurement and control
circuits designed to be operated with one
terminal at earth potential.)
Herstellerbescheinigung
Diese Information steht im Zusammenhang mit den Anforderungen der Maschinenläminformationsverordnung vom 18
Januar 1991.
* Schalldruckpegel Lp <70 dB(A) * Am Arbeitsplatz * Normaler Betrieb * Nach EN 27779 (Typprufung).
Manufacturer's Declaration
This statement is provided to comply with the requirements of the German Sound Emission Directive, from 18 January
1991.
* Sound Pressure Lp <70 dB(A) *At Operator Position * Normal Operation * According to EN 27779 (Type Test).
Printing History
The edition and current revision of this manual are indicated below. Reprints of this manual containing minor corrections
and updates may have the same printing date. Revised editions are identified by a new printing date. A revised edition
incorporates all new or corrected material since the previous printing date. Changes to the manual occurring between
revisions are covered by change sheets shipped with the manual. In some cases, the manual change applies only to specific
instruments. Instructions provided on the change sheet will indicate if a particular change applies only to certain
instruments.
© Copyright 1992, 1993 Agilent Technologies Inc.
This document contains proprietary information protected by copyright. All rights are reserved. No part of this document
may be photocopied, reproduced, or translated into another language without the prior consent of Agilent Technologies.
The information contained in this document is subject to change without notice.
4
SAFETY SYMBOL DEFINITIONS
Description
Symbol
Terminal for Line conductor on permanently
installed equipment
Caution, risk of electric shock
Caution, hot surface
Caution (refer to accompanying documents)
In position of a bi-stable push control
Out position of a bi-stable push control
On (supply)
Off (supply)
Standby (supply)
Units with this symbol are not completely
disconnected from ac mains when this switch is
off. To completely disconnect the unit from ac
mains, either disconnect the power cord or have a
qualified electrician install an external switch.
Description
Edition 1
April 1992
................... January 1993
....................October 1993
.................... April 2000, July 2004
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