Lowrance HDS-5 Gen2 Operation Manual - Page 95

Range offset

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Settings To Adjust Bearing Alignment: 1. L ine up the bow of your vessel with a stationary target (lighthouse, pier, etc) at least 1 nm away 2. Select Adjust Bearing Alignment from the Radar Installation menu and press ENTER. The Installation Adjustment menu will appear. 3. Press the keypad left/right to rotate the radar image so the reference target is at 0° or 12 o'clock from the radar center.  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 the range offset too far, decrease it until the circle appears again. 93

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93
Settings
To Adjust Bearing Alignment:
1.
Line up the bow of your vessel with a stationary target (lighthouse,
pier, etc) at least 1 nm away
2. Select
Adjust Bearing Alignment
from the Radar Installation menu
and press
ENTER
. The Installation Adjustment menu will appear.
3.
Press the keypad left/right to rotate the radar image so the reference
target is at 0
°
or 12 o’clock from the radar center.
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.
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 the range offset too far, decrease it until the circle
appears again.
Range Offset Sequence. The circle shrinks as range is increased
.