Lowrance HDS-7 LIVE HDS Live Operator Manual - Page 140

Center, Look ahead, Offset to cursor position, True motion

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140 Center The Center option resets the antenna position to the center of the PPI. Look ahead The Look ahead option is used to maximize the view ahead of the vessel. When selected the PPI center is placed at 70% of the radius of the PPI, 180° opposite the top of the display. Ú Note: Look ahead is only available for Heading Up radar orientation. Offset to cursor position This option allows you to use the cursor for selecting the antenna center. When the option is selected, the cursor is displayed on the PPI. • Move the cursor to the preferred offset position, then press the enter key or the left mouse key to move the PPI center to the cursor position. True motion In true motion your vessel and all moving targets move across the Radar PPI as you travel. All stationary objects remain in a fixed position. When the vessel's symbol reaches 75% of the PPI radius (A), the radar image is redrawn with the vessel symbol re-positioned (B) 180° opposite the current heading bearing. A B When true motion is selected, the true motion reset option is available from the menu. This allows for manually resetting the radar image and vessel symbol to its starting position. Ú Note: True motion is only available when the PPI is in either north up or course up orientation mode. Radar| HDS Live Operator Manual

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Center
The Center option resets the antenna position to the center of the
PPI.
Look ahead
The Look ahead option is used to maximize the view ahead of the
vessel. When selected the PPI center is placed at 70% of the radius
of the PPI, 180° opposite the top of the display.
Ú
Note:
Look ahead is only available for Heading Up radar
orientation.
Offset to cursor position
This option allows you to use the cursor for selecting the antenna
center.
When the option is selected, the cursor is displayed on the PPI.
•
Move the cursor to the preferred offset position, then press the
enter key or the left mouse key to move the PPI center to the
cursor position.
True motion
In true motion your vessel and all moving targets move across the
Radar PPI as you travel. All stationary objects remain in a fixed
position. When the vessel’s symbol reaches 75% of the PPI radius
(
A
), the radar image is redrawn with the vessel symbol re-positioned
(
B
) 180° opposite the current heading bearing.
A
B
When true motion is selected, the true motion reset option is
available from the menu. This allows for manually resetting the radar
image and vessel symbol to its starting position.
Ú
Note:
True motion is only available when the PPI is in either
north up or course up orientation mode.
140
Radar
| HDS Live Operator Manual