Toggle parallel mode by pressing PAL/SER until display says "PAL"
Select inductance mode by pressing L/C/R until display says "H" in lower right corner
Select AC resistance mode by pressing Q/D/R until display shows an omega in upper right corner
Toggle test frequency between 120 Hz and 1000 Hz as desired (test at both frequencies).
Connect leads to a coil.
The Extech 380193 User Manual is attached.