Lowrance HDS-9 Gen3 Operators Manual US - Page 112
EBL/VRM markers, Defining an EBL/VRM marker, Placing EBL/VRM markers by using the cursor
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EBL/VRM markers The electronic bearing line (EBL) and variable range marker (VRM) allows quick measurements of range and bearing to vessels and landmasses within radar range. Two different EBL/VRMs can be placed on the radar image. 112 The EBL/VRMs are by default positioned from the center of the vessel. It is, however, possible to offset the reference point to any selected position on the radar image. When positioned, you can turn the EBL/VRM on/off by selecting the relevant markers on the data bar, or by deselecting the marker from the menu. Defining an EBL/VRM marker 1. Ensure that the cursor is not active 2. Activate the menu, select EBL/VRM, then select EBL/VRM 1 or EBL/VRM 2 - The EBL/VRM is now positioned on the radar image. 3. Select the adjustment option from the menu if you need to reposition the marker, then adjust the marker by dragging it into position on the radar image 4. Select the save option in the menu to save your settings Placing EBL/VRM markers by using the cursor 1. Position the cursor on the radar image Radar | HDS Gen3 Operator Manual