Schonstedt Instruction Manual

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that it produces a “null" (signal strength very close to zero), and then counter-rotate
90 degrees to go back to the original position.
To measure depth, simply place the tip of the unit on the ground and press the DEPTH
button when the signal strength is at a peak. The achievable depth depends on a
number of factors, but typically it is possible to read depth up to 5 to 15 feet (1.5 to
4.2 m).
Controls
The Rex Receiver controls are designed to be intuitive and require a minimum of
training for effective use. The receiver can easily be operated with one hand.
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1 ON/VOLUME - This switch powers on the receiver and automatically sets the
volume to High. Additional depressions of this switch will cycle the volume through
Off (no sound), Medium, and High settings.
2 OFF - This switch removes power from the receiver.
3 UP/DOWN ARROWS - When the receiver is operating in manual gain mode,
pressing the UP or DOWN arrows will increase or decrease the gain from its current
setting. When the receiver is operating in the automatic gain mode, the first press
of the UP or DOWN arrow will switch the receiver to the manual gain mode.
4 AUTO - When the receiver is operating in the manual gain mode, pressing the
AUTO button will switch the receiver to operate in the Automatic gain mode. In
this mode the receiver adjusts its sensitivity as a function of the strength of the
detected signal.