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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.
• 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 classied 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 x 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.