Product Manual

7
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.
2 0 7
3
1
6
5
4
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 Mute, 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.