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149
Agilent 1000B Series Oscilloscopes
User’s Guide
A
Safety Notices
Warnings 149
Safety Symbols 150
This apparatus has been designed and tested in accordance with
UL 61010- 1:2004 2nd Edition, and has been supplied in a safe condition.
This is a Safety Class I instrument (provided with terminal for protective
earthing). Before applying power, verify that the correct safety precautions
are taken (see the following warnings). In addition, note the external
markings on the instrument that are described under "Safety Symbols."
Warnings
• The mains plug shall only be inserted in a socket outlet provided with
a protective earth contact. You must not negate the protective action by
using an extension cord (power cable) without a protective conductor
(grounding). Grounding one conductor of a two-conductor outlet is not
sufficient protection.
• Whenever it is likely that the ground protection is impaired, you must
make the instrument inoperative and secure it against any unintended
operation.
• Capacitors inside the instrument may retain a charge even if the
instrument is disconnected from its source of supply.
• Do not operate the instrument in the presence of flammable gasses or
fumes. Operation of any electrical instrument in such an environment
constitutes a definite safety hazard.
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