the trouble light on only could be bad batteries try new set ca n get a key cut a cut any key place dont know of manualsx number could fax you copy if you have a fax
If you need your Mirtone unit tested or repaired
then give us a call at 1-336-969-0110.
We give fair estimates and offer a year warranty.
Shipping info
Industrial Electronic Recycling
931-E S. Main St #204
Kernersville, NC 27284