Laser Rapier II Operator's Instruction Manual - page 9
LASER RAPIER II OPERATOR INSTRUCTION MANUAL
Your Rapier II is equipped with an automatic battery test circuit
so that you can always be sure you are getting top performance. The
battery should be checked after the detector has been on for about 10
minutes, and then periodically when used for long durations. For more
detailed information turn to Performing the Audio Battery Test on page
16.
To install or replace the battery, first make sure the SENSITIV-
ITY control is set to POWER OFF-turned completely counterclockwise
past the “click”. Remove the battery door from the back of the control
housing. Do this by pressing your thumb firmly on the louvered square-
at the bottom of the battery door-and sliding the battery door upward
(in the direction of the arrow) while pushing.
Check the polarity on the battery and on the diagram inside the
battery compartement. Make sure that they match and simply drop a
fresh 9-volt alkaline battery into the compartment.
In areas with well-kept lawns, the easiest way to maintain a con-
stant searchcoil height is to allow the coil to rest on the grass as you
sweep from side to side. In rough and rocky areas, it is best not to “scrub”
the coil on the ground, as the rocks will act like abrasives, and wear away
the coil bottom (an optional coil scuff cover will protect against this).
Sweep the coil as close to the ground as possible without touching. Hit-
ting the ground or rocks may cause a false signal much like a desired
target would. Sweeping the coil too high above the ground results in a
loss of depth.
Planting a Test Garden
To learn better how your detector will perform in the field, it
would be helpful to bury some coins and trash metal junk items in an
area that you know is clear of other metal objects. Check the area with
Disc set at zero to be sure it’s clear of trash, then bury the targets at least
1 foot apart, and from 2 to 4 inches deep to start. Make a map of the area
to be sure you know what each target is and how deep it is. Practice on
these targets to familiarize yourself with your detector’s target response.
This will also help you learn the proper sweep speed for best operation.
This type of practice area is often called a “test garden” or “test bed” and
is one of best tools to help you develop your metal detecting skills.
Recognizing false signals in Discriminate Mode
When operating in the Discriminate Mode, some “false signals”
may be caused by 1) heavy concentrations of trash metal objects, 2) very
large trash metal objects, or 3) electrical interference. These signals are
generally short, choppy sounds and sound different than “good signals”
(good target response sounds).
At the end of your sweep, as you reverse the coil direction, the
detector is most susceptible to trash induced noise. There are two ways
to tell whether these sounds are good deep signals or trash “noise.” The
first is by repeatability. Trash induced noises will not be regular as you
sweep the coil over the suspected target several times, Whereas a good
target response will be repeatable. The second method is to switch to
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18
GETTING STARTED
INSTALLING THE BATTERY