Lowrance HDS-5 Gen2 Operation Manual - Page 90

Marpa

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Settings To set T/M or R: 1. Press menu twice. 2. Select Radar and press enter. 3. Highlight Bearings and press enter. 4. Use the arrows to select a bearing and press Enter. MARPA MARPA automatically tracks selected radar targets, making it easier to avoid collisions. You can track up to 10 targets simultaneously. MARPA uses default or selected CPA (closest point of approach) and TCPA settings (Time to closest point of approach) to determine if a selected target is safe, dangerous or lost. NOTE: To use Radar overlay or MARPA, an RC42 heading sensor and a valid GPS fix is required. Your display, radar system and RC42 heading sensor need to be connected to the NMEA2000 network. Please refer to the HDS installation manual. • Safe - not on an approaching path to your vessel • Dangerous - o n an approaching path to your vessel; when a target breaches the selected CPA or TCPA thresholds the target will be classified as dangerous • Lost - selected target moves out of MARPA range You can change CPA and TCPA values on the Dangerous vessels dialog. Dangerous vessels dialog 88

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88
Settings
To set T/M or R:
1. Press
MENU
twice.
2. Select
Radar
and press
ENTER.
3. Highlight
Bearings
and press
ENTER.
4.
Use the arrows to select a bearing and press
ENTER
.
MARPA
MARPA automatically tracks selected radar targets, making it easier to avoid
collisions. You can track up to 10 targets simultaneously. MARPA uses default or
selected CPA (closest point of approach) and TCPA settings (Time to closest point
of approach) to determine if a selected target is safe, dangerous or lost.
•
Safe
— not on an approaching path to your vessel
•
Dangerous
— on an approaching path to your vessel; when a target
breaches the selected CPA or TCPA thresholds the
target will be classified as dangerous
•
Lost
— selected target moves out of MARPA range
You can change CPA and TCPA values on the Dangerous vessels dialog.
Dangerous vessels dialog
NOTE:
To use Radar overlay or MARPA, an RC42 heading sensor
and a valid GPS fix is required. Your display,
radar system and RC42
heading sensor need to be connected to the NMEA2000 network.
Please refer to the HDS installation manual.