RD4000 Locating System User Manual
Page 14
Display and function keys
RD4000 receiver
(1) On/off key
The on/off key has two functions: it switches
the receiver on and off and it is used to
select the menu.
(2) Frequency key
Press and release the frequency key to
select the next frequency.
Press and hold down the frequency
key to scroll through the available frequencies
in sequence. Release the key when the
required frequency is displayed.
Press to change EMS marker types on the
MRx version.
(3) Gain paddle.
Increases or decreases the signal strength. To reduce signal strength, lightly push the paddle anti-
clockwise, to increase the signal strength lightly push the paddle clockwise. A bar graph reading of
approximately 50% is suitable for most uses.
(The gain paddle has a secondary function of menu scrolling when the menu key is pressed.)
(4) Depth and measurement key
When pressed, displays depth to target line and the current. Also used for data logging when an
external data logger is attached.
(5) Antenna select key
Press and release the peak/null/single key to select the required mode.
(6) Bargraph.
Displays signal strength.
(7) Antenna display.
Wide (single horizontal antenna) peak.
Narrow (twin horizontal antenna) peak.
Null (single vertical antenna).
(8) Left/right arrows.
Indicate if the target line is to the left or right of the receiver when the receiver is in null mode.
(9) Current direction (CD)arrows .
Indicate current direction when an allocated CD frequency is in use and the fault direction when
using FaultFind.
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