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6. Operation of Receiver
6.1 Null mode
Move in the direction of
the arrow.
Direction of the object
Reception strength
Bar-graph
When directly above the target line, both arrows appear indicating the center,
the bar-graph indicates maximum, and
BEEP
sound is emitted.
Press NULL key.
OUT OF RANGE
Reception strength
indicator is blinking.
Null mode screen description
Starting Null mode
Locating method in NULL mode
Determining the direction of the
target line
Target line
Single continuous
sound
on the left side of
the target line
Two-tone Alternating
sound on the right side of
the target line.
Target line
Beep
160
210
520
Locating may be difficult because the display
changes too quickly. In such a case, operate
the receiver while holding down
NULL
key.
Locate the point with strongest reception
by turning the receiver to left and right as
shown in the figure above.
When buried object is shallower
than 30cm/1ft.
th
