20kHz\power .....\power.hex .....\power.lnp .....\power.LST .....\power.M51 .....\power.OBJ .....\power.Opt .....\power.plg .....\power.Uv2 .....\power1.c .....\power_Opt.Bak .....\power_Uv2.Bak 20kHz