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Mac Tools Et97 User Manual -

To save vehicle data between tests:

A: This typically indicates an overload or incorrect input. For example, if you have the rotary switch on “Ω” (resistance) but you apply 120V AC, the meter will display an error to protect itself. Disconnect immediately and select the correct mode. Mac tools et97 user Manual

Over time, the ET97 will need new batteries (usually a 9V battery) or a fuse change. The manual provides: To save vehicle data between tests: A: This

Read and clear current, pending, and permanent Diagnostic Trouble Codes (DTCs). Mac tools et97 user Manual

Correct insertion of the black (COM) and red (VΩmA) leads is vital for accurate data and tool longevity.

Updating the ET97 is critical for maintaining compatibility with newer vehicle models. YouTube·LaunchTechUSAhttps://www.youtube.com How to Update your Mac Tools ET 97