User's Manual

DIGITAL CONTROL INCORPORATED
4 DigiTrak
®
F2™ Operator’s Manual
Installing and Removing the Battery Pack or Brace Insert .................................................................. 42
Power On/Off ........................................................................................................................................... 43
Keypad .................................................................................................................................................... 43
Audible Tones .......................................................................................................................................... 43
Adjusting Screen Contrast ....................................................................................................................... 43
Adjusting the Viewing Angle .................................................................................................................... 44
Attaching and Removing Visor ................................................................................................................ 44
Main Menu ............................................................................................................................................... 45
Contrast Adjustment ............................................................................................................................ 46
Settings Menu .......................................................................................................................................... 47
Display Screens ....................................................................................................................................... 48
Main Display Screen ............................................................................................................................ 48
Depth Display Screen .......................................................................................................................... 48
Predicted Depth Display Screen .......................................................................................................... 49
BATTERY CHARGER ................................................................................................................................. 51
General Description ................................................................................................................................. 51
AC/DC Power Setup ................................................................................................................................ 52
Charging a Battery Pack.......................................................................................................................... 52
Battery Charger LED Indicators .............................................................................................................. 52
Warnings and Precautions ...................................................................................................................... 53
LOCATING .................................................................................................................................................. 55
Introduction .............................................................................................................................................. 55
Locate Points (FLP & RLP) and Locate Line (LL) ................................................................................... 56
Effects of Depth, Pitch, and Topography on Distance Between FLP and RLP....................................... 57
Marking Locate Points ............................................................................................................................. 58
Display Screens ....................................................................................................................................... 59
Interference: What It Is and How to Check for It ..................................................................................... 61
Conducting a Background Noise Check .............................................................................................. 61
Suggestions for Dealing with Interference ........................................................................................... 62
Standard Method for Locating the Transmitter ........................................................................................ 63
Finding the Front Locate Point (FLP)................................................................................................... 63
Finding the Locate Line (LL) ................................................................................................................ 65
Finding the RLP to Confirm Transmitter Heading and Position ........................................................... 67
Tracking “On-the-Fly” .............................................................................................................................. 69
Off-Track Locating ................................................................................................................................... 70
THE TARGET STEERING FUNCTION ...................................................................................................... 73
Feasible Target Depth and Positioning the Receiver as a Target ......................................................... 73
Programming the Receiver for Target Steering ...................................................................................... 74
Steering to the Target .............................................................................................................................. 74
Target Steering in Interference Areas ..................................................................................................... 76
APPENDIX A: SYSTEM SPECIFICATIONS AND MAINTENANCE REQUIREMENTS .......................... 77
Power Requirements ............................................................................................................................... 77
Environmental Requirements .................................................................................................................. 77
General Transmitter Care Instructions .................................................................................................... 78
APPENDIX B: PROJECTED DEPTH VERSUS ACTUAL DEPTH AND THE FORE/AFT OFFSET ........ 79
APPENDIX C: CALCULATING DEPTH BASED ON DISTANCE BETWEEN FLP AND RLP ................. 85
LIMITED WARRANTY ................................................................................................................................ 87