User's Manual

DIGITAL CONTROL INCORPORATED
Introduction
Rec
eiver
Remote
Display
Battery
Charger
LT
T
ransmitter
Antenna for
Remote
Rechargeable
Battery Packs
LS2 Transmitte
r
DigiTrak LT2 Locating System
The DigiTrak LT2 Locating System is used to locate and track the transmitter in the drill head during
horizontal directional drilling (HDD) operations. The system consists of a handheld receiver, a transmitter
that is placed in the drill head, and a remote display that is located at the drill rig. The receiver and remote
are powered by a rechargeable battery pack, and a battery charger is also included with the system.
Locating is streamlined using the LT2 receiver’s graphic display and menu system. The real-time graphic
display guides you in positioning a target (or a line) in a box on the display window to locate the trans-
mitter. You can also locate using the plus/minus signs, as on earlier DigiTrak models produced by Digital
Control Incorporated (DCI).
This manual provides information on each LT2 system component—the receiver, transmitter, remote dis-
play, and battery charger—in separate sections following this introduction. These sections are followed by
the Locating Instructions section, which explains important locatin
g terms and gives step-by-step locating
instructions.
Supplemental information is provided in appendices. Appendix A presents the LT2 system’s power
requirements, environmental requirements, and equipment maintenance requirements. Appendix B
provides information regarding how to calculate the actual depth when the transmitter is deep (greater
than 15 ft or 4.5 m) and/or at a steep pitch (greater than ±30% or ±17°). Appendix C provides a method to
calculate the transmitter depth based on the distance between the front and rear locate points and the
pitch of the transmitter.
DigiT
rak
®
LT2™ Operator’s Manual 9