One-Tool BT300 - Battery System Standard and Rating

Battery Tester BT300
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NOTE: For REMOTE test, there will be a little tolerance. For any
doubt, take off the battery and select "OUT-OF-VEHICLE" to re-test.
3.3.4 Battery System Standard and Rating
BT300battery tester will test each battery according to the selected
system and rating.
Use UP/DOWN key to select according to the actual system
standard and rating marked on the battery. Use UP/DOWN key to
select according to the actual system standard and rating marked on
the battery. See in the below picture, the arrow indicated location.
CCA: Cold Cranking Amps, specified by SAE&BCI, most frequently
used value for starting battery at 0°F (-18°C).
BCI: Battery Council International standard
CA： Cranking Amps standard, effective starting current value
at 0°C