ii.
Remove all metal objects from your person such as belt buckles, car keys, watches, knives,
etc.
iii. Hold the detector at arms length by your side in a comfortable carrying position, resulting
in a distance of approximately 18 inches from the ground. Keeping the instrument level,
press the THUMB SET control in the handle to the MOMENTARY position and release.
The threshold tone is heard and the meter will indicate approximately ‘20’. Slowly raise the
instrument approximately 6 inches. If the tone changes little or none, the setting is adequate
for searching that area.
Activate the AUTOMATIC THRESHOLD function and begin searching. However, if the
tone does change significantly, leave the AUTOMATIC THRESHOLD off, and proceed in
the following manner:
iv. If the tone and meter reading went
down
when the instrument was raised, the GROUND
BALANCE control needs to be moved slightly in the counterclockwise (-) direction. Lower
the detector back to arm’s length, press the THUMB SET control to the MOMENTARY
position to re-tune, release and again slowly raise the detector by 6 inches. If the tone
continues to go down, repeat the procedure until the tone and the meter reading remain
more or less the same in both positions. If the tone and meter reading go
up
when the
CS9000 MK2 is raised, the GROUND BALANCE is too far toward the (-) and must be
turned clockwise toward (+). The same procedure of raising and lowering is done looking
for the same result of minimal change between raised or lowered position.
The Ground balance procedure becomes more critical as the Signal Balance is increased. The
SIGNAL BALANCE control does not need to be advanced past the NORMAL range for most
applications. If the GROUND BALANCE procedure cannot be accomplished as outlined above,
try moving to a different site as you may be over a buried metal object.
Locating Buried Metal Objects
The most efficient way to search an area is to use a grid-like pattern over the area selected. To
minimise the chance of missing objects the maximum distance between grid lines should be no
more than 6 feet. Making several passes in one direction, then turning 90 degrees, search the
same area to assure that a buried object is not missed.
It is normal for a fluctuating background noise to be heard with the signal from a target coming
through much more loudly. Sometimes deeper targets will appear toward the rear of the CS9000
MK2. However the difference will usually be no more than 3 or 4 inches from the front loop,
even for the deepest target.
The volume of the tone will increase and the meter will read higher as the instrument is passed
over a buried metal object. If the target is close to the surface, the meter may reach the maximum
on the scale and the tone will no longer increase in volume. Remember to keep the detector in
motion when using the AUTOMATIC THRESHOLD position when trying to locate the centre of
a target. If the detector is held motionless over the target, the sound will fade. A system of criss-
crossing at 90 degrees will aid in pinpointing the centre of the target.
11
Summary of Contents for CS9000 MK2
Page 1: ...CS9000 MK2 OPERATING INSTRUCTIONS ...
Page 3: ...User notes 2 ...
