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1. SAFETY PRECAUTIONS
This operation manual describes important information for preventing injury to users, personnel at
manufactures employing this electron tube, and other personnel, as well as for preventing property loss and
ensuring safe operation. Fully understand the meanings of the following indications and symbols before
reading this manual and observe all precautions to ensure safe operation.
[Description of indications]
Indication
DANGER:
WARING:
CAUTION:
[Usage limitation and exception clause]
This electron tube is intended and designed for use in combination with amplifier for industrial devices and
scientific equipment. If this electron tube is to be used with equipment other than the above, contact CANON
ELECTRON TUBES & DEVICES CO., LTD. (CETD) in advance. CETD will not be held responsible for
malfunction or damage caused by the use of this electron tube in applications other than those specified
without prior approval.
When designing or operating equipment employing the electron tube, do not attempt to modify the electron
tube and do not allow the electron tube to be operated beyond its ratings. CETD will not be held liable if these
precautions are not observed.
[Warning labels]
(1) Warning labels as described in this instruction manual are attached to the electron tube. Confirm that they
are attached correctly before operating the electron tube. If incorrectly attached or missing labels are
found, Contact CETD.
(2) Read all the labels and fully understand their meanings to ensure safe operation of the electron tube.
(3) Maintain the labels so that they can be seen easily. Do not remove any labels or allow them to become
dirty, covered, or otherwise obscured.
Indicates an imminently hazardous situation which, if not avoided, will result in death
or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death
or serious injury.
Indicates a potentially hazardous situation which, if not avoided may result
or moderate injury or extensive property damage
(e.g. damage to machinery, units, and accessories or occurrence of a fire).
－ 2 －
E3730A OPERATING INSTRUCTIONS
Meaning
in minor
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