User's Manual
Table Of Contents
- Safety Precautions and Warnings
- Dear Customer:
- Introduction
- Receiver
- Transmitter
- Remote Display
- Battery Charger
- Locating
- The Target Steering Function
- Appendix A: System Specifications and Maintenance Requirements
- Appendix B: Projected Depth Versus Actual Depth and the Fore/Aft Offset
- Appendix C: Calculating Depth Based on Distance Between FLP and RLP
- LIMITED WARRANTY
DIGITAL CONTROL INCORPORATED
DigiTrak
®
F2™ Operator’s Manual 75
The Target Steering Function
The Target Steering function allows the F2 receiver to be placed out ahead of the drill head and used as
a steering target. The receiver is positioned on level ground so that it is facing in the same direction as
the drilling. To activate the Target Steering function, you must program the receiver with the desired
target depth number. The drill head can then be guided to a point directly below where the receiver has
been placed using the Target Steering screen on the remote display.
The F2 system assumes level topography for the most accurate Target Steering results. It also assumes
a conservative bend radius. Therefore, in situations with significant pitch changes, such as during the
launch/exit ends, the up/down steering information on the remote display may not be accurate. In these
situations, only the left/right steering information should be considered accurate.
As a general rule, the depth cannot change by more than 4 ft (1.2 m) per 35 ft (10.7 m), and the pitch
cannot change by more than 14% per 35 ft (10.7 m).
Feasible Target Depth and Positioning the Receiver as a Target
The Target Steering procedure requires correct placement of the receiver. The receiver must be placed
out in front of the transmitter with its back end (where the battery pack is inserted) facing the drill. The
maximum horizontal distance from the transmitter that the receiver should be placed is approximately
35 ft (10.7 m).
The receiver must be programmed with the desired target depth number. To program the receiver, see
the instructions under "Target Steering Menu" in the Receiver section.
The figure below shows the receiver’s locate screen with the Target Steering distance at the bottom. This
number is the horizontal distance that the receiver is from the transmitter. You will use this number to help
you position the receiver a maximum distance of 35 ft (10.7 m) ahead of the tool.
Receiver Screen with Target Depth Programmed
Horizontal Distance
Between Transmitter
and Receiver