Mark A Location

Location marking creates a small geofence around a particular location and alerts you whenever you approach that area again. This is useful for marking hazards not in our database, or other things you wish to be reminded about when you approach them.


  • To mark a particular location, press the "MRK" button.
  • The display will read: "Mark?" and if enabled, the voice will say "Mark this location?"
  • Press the "MRK" button again to assign a label to it.
  • There are four (4) labels: Red Light, Speed Camera, Speed Trap and Other.
  • To scroll through the labels, simply press the volume (+) or (-) buttons until you reach the desired label.
  • Once you've selected the label, press the "MRK" button again to confirm.

Unmark A Location

If you've placed a marker by mistake, or you need to remove a location you no longer use, you can unmark it.


  • To unmark a location, drive with the detector on to the location of the marker alert
  • Tap the MRK button twice to remove the marker

Clear All Marked Locations

If you need to clear all locations you've marked from your radar, you can do so through button-presses directly on the detector. To prevent this from happening by accident, this option is only available as a button press. You will need to consult your manual for the exact instructions for your detector, however instructions for the Redline 360c Firmware Version 1.18 follow below.


  • Press and hold BRT + SEN to enter the preferences menu
  • Press SEN repeatedly to cycle through the preference options until "Clear Location" is reached
  • Press BRT once to enter the sub-menu
  • Press Volume + repeatedly to select "Marked" if it is not the first item.
  • Press BRT twice to confirm the deletion