LOCATING AN ACTIVE DUCT PROBE (ADP)
Press 
to turn the Receiver on.
Press 
to select the 33 kHz frequency.
Press 
to select the Peak mode 
. If you find that the received signal is too weak in this mode, try the Special Peak mode. To select
Special Peak mode: from Peak mode, press and hold 
, then press 
to toggle between Peak and Special Peak modes. While in Special Peak mode, the Peak flag will flash.
With the Receiver handle perpendicular to the conduit path, locate the ADP position by moving along the path until a peak is found. Press 
when the bar graph remains either fully open or fully closed. Refer to the ADP operating instructions for further information.
Determining ADP Depth
Place the Receiver Antenna on the ground directly above the located ADP position maintaining the handle orientation perpendicular to the path.
Press 
twice to display ADP depth 
.
To return to trace mode, press 
or 
.
Note: During a
'– – – ' when the received signal is too low, too high, or erratic.
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