iv
SAFETY
This instrument is wired for earth grounding via the facility power wiring. Do not bypass earth
grounding with two wire extension cords, plug adapters, etc.
BEFORE PLUGGING IN the instrument, comply with installation instructions.
MAINTENANCE may require power on with the instrument covers removed. This should be
done only by qualified personnel aware of the electrical hazards.
WARNING notes call attention to possible injury or death hazards in subsequent operations.
CAUTION notes call attention to possible equipment damage in subsequent operations.
Need help?
Do you have a question about the 143 and is the answer not in the manual?
Questions and answers