Waldbeck Azteca Manual De Instrucciones página 39

7. Depth indication
The depth indication is accurate for coin-sized objects. Large objects or
irregularly-shaped objects will yield less reliable depth readings. If sweeping
at the same place for several times, but shows the same depth, and it is the
more accurate detection. If the depth indication varies, try to change the
angle of sweeping. There may be more than one target present.
8. PINPOINT
When detecting in the motion mode, as you should persistently move the
search coil, so although you find the region that burying metals, it's not easy
for you to determine the exact location, it gets the digging difficult. At this
time, you should recur to the PINPOINT mode.
a. Touch the PINPOINT button, the PINPOIT cursor is lighted, the depth
cursor will be full scale, and the detector will sound a low single-
frequency tone, the sensitivity is in the highest state.
b. Let the search coil approach the ground, move the search coil slowly in
the region, where you find the target. In the position where the single
frequency tone turns louder, and the signal strength cursor begins to
appear. Continue moving the search coil slowly until the sound turns
louder, the signal strength cursor is full scale, and the depth cursor is
the lowest. Now, you have locked the target location roughly.
c. If the area with the strongest signal is larger and the location is
not accurate enough, you can keep the location of the search coil
unchangeable and exit the PP mode. Then touch the PP button again
and repeat the above operation. Until you move the search coil
slightly, and the strongest signal will be smaller. Now, the position of
the metal target has been locked. You can mark on the ground by the
center of the open search coil, to facilitate the digging.
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