I am trying to locate an operating manual for a tek 21 dsp metal detecting device, serial no. 48796. I do have one but its in German
If you need your GrasebyGoring-Kerr unit tested or repaired,
give us a call at 1-336-969-0110.
We offer fair estimates and extended warranties on the work performed.
Shipping/Receiving:
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110