User's Manual

DIGITAL CONTROL INCORPORATED
4 DigiTrak
®
SE™ Operator’s Manual
Table of Contents (Continued)
BATTERY CHARGER ................................................................................................................................. 41
General Description ................................................................................................................................. 41
Power Setup ............................................................................................................................................ 42
Charging a Battery Pack.......................................................................................................................... 42
LOCATING .................................................................................................................................................. 43
Introduction .............................................................................................................................................. 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
Display Screens ....................................................................................................................................... 47
Interference: What It Is and How to Check for It ..................................................................................... 49
Conducting a Background Noise Check .............................................................................................. 49
Roll/Pitch Check ................................................................................................................................... 50
Suggestions for Dealing with Interference ........................................................................................... 50
Standard Method for Locating the Transmitter ........................................................................................ 51
Finding the Front Locate Point (FLP)................................................................................................... 51
Finding the Locate Line (LL) ................................................................................................................ 53
Finding the RLP to Confirm Transmitter Heading and Position ........................................................... 55
Tracking “On-the-Fly” .............................................................................................................................. 57
Off-Track Locating ................................................................................................................................... 58
REMOTE STEERING ................................................................................................................................. 61
Positioning the Receiver as a Target ...................................................................................................... 62
Steering to the Target .............................................................................................................................. 63
APPENDIX A: SYSTEM SPECIFICATIONS AND MAINTENANCE REQUIREMENTS ............................ 65
Power Requirements ............................................................................................................................... 65
Environmental Requirements .................................................................................................................. 65
General Transmitter Care Instructions .................................................................................................... 66
APPENDIX B: PROJECTED DEPTH VERSUS ACTUAL DEPTH AND THE FORE/AFT OFFSET .......... 67
APPENDIX C: CALCULATING DEPTH BASED ON DISTANCE BETWEEN FLP AND RLP ................... 73
APPENDIX D: REFERENCE TABLES ....................................................................................................... 75
Depth Increase in Inches (Centimeters) per 6-foot (1.8 meter) Rod ...................................................... 76
Depth Increase in Inches (Centimeters) per 10-foot (3-meter) Rod ....................................................... 77
Depth Increase in Inches (Centimeters) per 15-foot (4.6-meter) Rod .................................................... 78
Percent of Grade to Degree Conversions ............................................................................................... 79
Degree to Percent of Grade Conversions ............................................................................................... 80
LIMITED WARRANTY