VEVOR TS181A Manual Del Usuario página 22

only for non-critical reference. The target ID cursor indication and digital
target ID are not guaranteed
to be correct.
When the detected metal signal is strong enough, the display will show a
target depth indicator bar, which is to be used in conjunction with the depth
scale for you to predict the distance between the detected object and the
search coil. The indication of the target depth indicator bar is not accurate
and is not guaranteed to be correct. It is only for non-critical reference.
During scanning, the search coil must be in motion. If the search coil is still,
the detector can not detect metal normally.
6-FREQUENCY AUDIO ALARM FUNCTION
In any Discrimination Mode, the detector can produce 6 kinds of alarm
tones for different types of metal objects, which is intended to help operator
identify the probable metal type of the detected object. For a specific
detected object which is accepted by a lighted pixel on the horizontal scale,
the detector will produce a specific tone.
USING THE BACKLIGHT
When using the detector in a dim environment, you can turn on the
backlight for easy operation. To turn on or off the backlight, briefly press
this " BACKLIGHT " button when the detector is on.
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