RD4000 Locating System User Manual
Page 44
To set up the system for dual locating proceed as follows:
(1)
Connect the transmitter to the conductor.
(2)
Switch the transmitter on and select locate mode.
(3)
Select a standard locating frequency.
(4)
Switch the receiver on and select the same frequency as that selected the transmitter on.
(5)
Pull down the EMS antenna on the receiver. The EMS symbol is displayed.
(6)
Press the frequency key to select the type of marker you are trying to locate.
(7)
Press the peak/null key to select dual mode. The display shows the null symbol and location arrows, and
the locate frequency is shown in place of the marker type.
(8)
Locate the conductor using the left/right arrows as normal but sweep the area either side of the conductor to
ensure that all markers are located. When a marker is located the volume on the receiver will increase and
the bargraph reading will increase. When you go past the marker the volume and bargraph reading will
decrease.
(9)
Use the gain paddle to set the receiver sensitivity to low and pinpoint the marker.
(10)
Use the left and right arrows to locate the conductor.
Note: If you cannot locate the marker ensure that you have selected the correct marker type for the marker you
are trying to locate.
Single mode locating
Use this mode when locating the marker only. For example, use single mode when locating markers used with
plastic water or gas pipes.
Proceed as follows:
(1)
Pull down the EMS antenna on the receiver.
(2)
Switch the receiver on.
(3)
Press the frequency key to select the type of marker you are trying to locate.
(4)
Carry out a sweep of the area in which the markers are located to ensure that all markers are located.
