5
Installing Batteries
Use 9-volt
ALKALINE
batteries only!
1.
Remove the Battery Compartment Cover from the top of the
control housing.
2.
Pull out the two battery connectors.
3.
Snap on one or two 9-volt
ALKALINE
batteries.
Do not use Heavy Duty or ordinary Zinc Carbon batteries.
NOTE:
Detector will operate with one or two batteries.
A battery installed in either left or right position is OK.
Run time will be double with two batteries versus one.
4.
Slide batteries into position as illustrated below.
5.
Replace the Battery Compartment Cover.
Slide cover in until it shuts securely in place.
BATTERY LIFE
Expect 40 to 45 hours of life from a set of two 9-volt alkaline batteries.
A set of rechargeable batteries will provide about 16 hours of usage per charge.
WARNING
- Never mix old and new batteries.
- Never mix alkaline, standard (carbon-zinc) and/or rechargeable
(nickel-cadmium) batteries.
- Never dispose of batteries in fire, as they may explode.
- Never attempt to charge non-chargeable batteries.
- Always remove exhausted batteries from metal detector.
- Do not store detector for long periods with batteries installed.
BATTERY DISPOSAL & RECYCLING
Alkaline batteries may be disposed of in a normal waste receptacle or recycled. Non-
Alkaline batteries should be recycled. In the state of California all battery types must be
recycled. Please refer to local municipalities for detailed disposal and recycling
requirements.
12
In the field...
Make sure the detector tube is adjusted to a comfortable length.
Sweep the searchcoil from side to side in slow, overlapping motions.
Keep the searchcoil parallel and close to the
ground. Overlap each sweep to get the best
possible coverage. The Mach1 requires
searchcoil motion to detect buried
targets. If the searchcoil is
held motionless over a
target, the detector will
not detect the target.
Try not to lift the searchcoil at the end of
your sweeps. This may be difficult for
younger children, but the closer the
searchcoil is to the ground throughout the
sweep, the more likely you are to find
buried metal objects.
You may want to adjust your discrimination
during your search, depending on what you
are finding. For instance, if you are
searching with all four target categories
active, you will detect all types of metal
objects. If you find that you are in a trashy
area with a lot of iron objects, press the DISC
button to eliminate the iron category. If you
are in a trashy area with a lot of pull tabs and
bottle caps, press the DISC button again to
eliminate the 2nd, and possibly the 3rd,
target category.
Be aware that some desirable objects, like nickels and gold, fall into the middle
target categories range and will be eliminated from detection along with less
valuable metals. Gold rings have a metallic signature similar to pull-tabs; nickels
have a metallic signature similar to some newer pull-tabs. It requires practice
and patience to understand which types of objects are eliminated at each setting.
CORRECT
WRONG
Sweep the searchcoil in a half-circle
movement as illustrated here. Repeat
this motion every step you take to
guarantee that the area is being
covered thoroughly.
