: Test on a known live source or use the continuity mode (beep) by touching the two probes together to ensure the tool is functional.
Before you begin setting up HT MI Tool 21, ensure you have:
: Test on a known live source or use the continuity mode (beep) by touching the two probes together to ensure the tool is functional.
Before you begin setting up HT MI Tool 21, ensure you have: ht mi tool 21 setup link