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7. Replacing the Batteries and Fuses
7.1 Replacing the Batteries
When the battery voltage falls below the operating voltage,
appears on the display.
Follow the procedure below to replace the batteries.
WARNING
• To avoid electrical shock, be sure to disconnect the CA0 from the circuit under
measurement.
(Remove the test leads and lead cables as well.)
• Turn the CA0 off.
• Do not measure while the case is open. Doing so may lead to electric shock.
CAUTION
• Do not mix different types of batteries or mix old batteries with new batteries.
• Insert the batteries with their polarities in the directions indicated by the holder.
Replacement Procedure
) Remove the fastening screw on the back of the CA0’s case.
2) Open the case.
) Replace each of the four batteries with a new battery.
) Return the case to its original position, and tighten the fastening screw.
Battery slots
Screw position
Back of the case
With the case open
Blank cover
(USB adapter attachment
position)
