User's Manual

DIGITAL CONTROL INCORPORATED
Table of Contents (Continued)
BATTERY CHARGER.................................................................................................................................39
General Description ...............................................................................................................................39
AC/DC Power Setup .............................................................................................................................. 40
Charging a Battery.................................................................................................................................40
LOCATING INSTRUCTIONS......................................................................................................................43
Introduction ............................................................................................................................................ 43
Depth or Slant Distance......................................................................................................................... 43
Locate Points (FLP & RLP) and Locate Line (LL) .................................................................................44
Effects of Depth, Pitch, and Topography on Distance Between FLP and RLP..................................... 45
Marking Locate Points ........................................................................................................................... 46
Standard Method for Locating the Transmitter......................................................................................47
Finding the FLP ................................................................................................................................ 48
Finding the Transmitter and the LL................................................................................................... 50
Finding the RLP to Confirm Transmitter Heading and Position........................................................ 51
Plus/Minus ("+/–") Method for Locating the Transmitter........................................................................ 53
Finding the FLP ................................................................................................................................ 53
Finding the Transmitter and the LL................................................................................................... 54
Confirmation of Exact Heading and Transmitter Position................................................................. 55
Finding the RLP................................................................................................................................ 55
Off-Track Locating .................................................................................................................................56
APPENDIX A: SYSTEM SPECIFICATIONS AND MAINTENANCE REQUIREMENTS ...........................59
Power Requirements .............................................................................................................................59
Environmental Requirements ................................................................................................................59
Equipment Maintenance ........................................................................................................................ 59
APPENDIX B: PROJECTED DEPTH VERSUS ACTUAL DEPTH AND THE FORE/AFT OFFSET.........61
APPENDIX C: CALCULATING DEPTH BASED ON DISTANCE BETWEEN FLP AND RLP ..................67
LIMITED WARRANTY
4 DigiTrak
®
LT2™ Operator’s Manual