Three Functions Test Operation Steps
Step 1. Connect the 12V battery, red clips to positive pole and black clips to negative pole.
Step 2. Battery Test: Firstly select the type of battery to be tested, then the test criteria and the test range, and then you have the results within few seconds.
Step 3. Cranking Test: After selecting the cranking test function, follow the prompts to start the engine. Test completed.
Step 4. Charging Test: After entering the charging test function, follow the prompt to increase the speed to 2500 RPM for 5 seconds, then press
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