Lowrance HDS-5m Gen2 HDS 5m 7m Operation Manual - Page 72
Range offset, Antenna Height, To Adjust Antenna Height
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Settings Range offset Eliminates the time lag between real radar returns and the time it takes data to be processed by the radar software. Range Offset is also referred to as zero range and trigger delay. Range Offset Sequence. The circle shrinks as range is increased. To Adjust Range Offset: 1. Use the ZOOM IN/ ZOOM OUT keys to set range to 1/8 nm. 2. Highlight Adjust range offset from the Radar Installation menu and press ENTER. The installation adjustment menu will appear. 3. Press the keypad to the left set range offset to 0. Press enter. 4. If there is a blank, black circle around the center or a solid circle of color at the center, increase the range offset until the circle disappears or almost disappears. 5. If you increase th range offset too far, decrease it until the circle appears again. Antenna Height Antenna height is the distance from the waterline to the Antenna (scanner). It is important to correctly input antenna height to prevent problems with the Sea Clutter feature. To Adjust Antenna Height: 1. Select Adjust Antenna Height from the Installation menu and press enter. 2. Press the keypad left/right to input the distance from the antenna to the water surface. Press exit. 70