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Recording functions · 387
How to set conditions of viewing and logging Danger Targets
User can set Closest Point of Arrival (CPA), Time for CPA (TCPA) and Log interval for viewing dangerous ARPA
and AIS targets on ECDIS display, a dangerous ARPA and AIS target is blinking between green and red colour.
User can also alternatively log only information of a single selected ARPA or AIS target
1. Press VOYAGE RECORD button.
2. Select Settings from the menu
3. Select Danger Targets sheet open.
Set desired limits for CPA and TCPA. Note, these limits are only for ECDIS. ARPA radar has its own setting for
dangerous targets and thus a target which is dangerous at ARPA display can be safe on ECDIS or vice versa. If an
ARPA target is inside CPA and TCPA, it is shown as dangerous ARPA target on ECDIS display. Log interval
defines time period for logging.
NOTE! User is able to select logging of the track of a single ARPA target, if he selects in a Log Single Target
desired number from a list box of ARPA target or select desired name from a list box of AIS. If this option is
selected only information of this target is recorded.
How to save past track of a selected ARPA or AIS target
To save past track of selected target, proceed as follows:
1. Check number of ARPA target or name of AIS targets. In order to get it move cursor above target and press
INFO & HELP button.
2. Press Voyage Record button and select Settings from the menu. A Settings dialog box appears, select Danger
Target sheet open.
3. Select in Single Target Log field ARPA target's number in a list box or name in a list box of AIS . See also
"Danger targets log" on page 386.
4. You can make a user chart from Danger Target log, for more information, see chapter "How to make an User
chart from the log (Past track)" on page 391.
Note! If you have selected Single Target Log only selected target's information is recorded. If you want record
information of all danger targets, just remove selection of Active in a Single Target Log field.