User's Manual

25
Note: Pressing the Navigator again returns the display to the default with the menu included.
The Background removal filter button is used t o remove horizontal
lines/reflections caused by noise from the GPR profile. By rotating the
Navigator, various levels of background removal can be applied. The
effect of the filtering can be seen when the button is deactivated, the
level can be gradually adjusted to create the clearest and most
interpretable image possible.
The Contrast button is used to set the contrast of the GPR profile.
Rotating the Navigator increases and decreases the contrast level.
The Time gain button is used to adjust the time gain for the GPR
profile. The Navigator is rotated to increase or decrease the applied
time gain
The Screen shot button makes a jpg image of the current radargram
and can be downloaded from the File Manager.
Note: When the Auto Gain option in the System Menu is selected, the manual Time gain is
deactivated and removed from the main screen.
Tip: Gain is very useful for making targets appear brighter in the GPR profile, this is especially
important when searching for deeper targets.