Product Manual

1 Frequently Asked Questions
• What is the Model 450 Mag Horn?
It is a stand-alone locator specifically designed
to detect ferrous (iron) objects, such as property
pins, curb boxes, manhole and valve covers. It
is not necessary to own a Pipehorn Pipe and
Cable Locator.
• What is it designed to do?
The Mag Horn is designed to locate concealed
ferrous (iron) object’s magnetic field. It responds
to the difference in magnetic field strength
detected by two sensors in the locator. The tone
from the speaker changes in pitch to indicate
the presence of a ferrous object.
• What advantages does Mag Horn offer?
The Model 450 Mag Horn is extremely effective
when locating small or deep ferrous objects
while screening out nonferrous coins, aluminum
cans and similar interfering objects.
• It’s unique ergonomic design makes it easier to
use than other ferromagnetic locators. Location
of the Sensitivity Control also enables one-
handed operation.
2 Manual and Terminology
When the following terms are used in this manual,
they have the meanings specified below:
4