Manuals for E.F. Johnson Company Portable Radio Model Document 002-8170-001 Operating Manual 4100 Series Operating Manual 51 Series Preliminary Operation Manual 5100 ES Operating Manual 5100 Series Operating Manual , Service Manual , Service Manual 51FIRE Operating Manual 51LT ES Operating Manual 51SL ES Operating Manual 7243 LTR-NET Owner's Manual 8170 Series Operating Manual 8500 Series Operating Manual ASCEND Operating Manual LTR-Net 8170 Series Operating Manual MULTI-NET II Quick Reference Manual Multi-Net Viking CK 8500 Series Operating Manual SMARTNET II Preliminary Operation Manual SmartZone Preliminary Operation Manual VIKING CM Quick Reference Manual