Tektronix A621, Instructions Manual

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Important safety information
This manual contains information and warnings that must be followed
by the user for safe operation and to keep the product in a safe
condition.
To safely perform service on this product, see the Service safety
summary that follows the General safety summary .
General safety summary
Use the product only as specified. Review the following safety
precautions to avoid injury and prevent damage to this product or any
products connected to it. Carefully read all instructions. Retain these
instructions for future reference.
This product shall be used in accordance with local and national codes.
For correct and safe operation of the product, it is essential that you
follow generally accepted safety procedures in addition to the safety
precautions specified in this manual.
The product is designed to be used by trained personnel only.
Only qualified personnel who are aware of the hazards involved should
remove the cover for repair, maintenance, or adjustment.
Before use, always check the product with a known source to be sure it
is operating correctly.
This product is not intended for detection of hazardous voltages.
Use personal protective equipment to prevent shock and arc blast injury
where hazardous live conductors are exposed.
To avoid fire or personal injury
Observe all terminal ratings. To avoid fire or shock hazard, observe all
ratings and markings on the product. Before using the product, consult
the product manual for futher ratings. Do not exceed the Measurement
Category (CAT) ratings and voltage or current rating.
Do not apply a potential to any terminal, including the common
terminal, that exceeds the maximum rating of that terminal. Do not use
the probe anywhere beyond the tactile barrier.
A621 Instructions vii