Furuno RP180 - Manual (Page 67)

AIS
10-4
10.4 Sleeping Targets
10.4.1 Sleeping specific AIS target
You may “sleep” an AIS target as below when the screen becomes filled with targets. Note
that targets that have been activated automatically cannot be “slept.”
1. Use the trackball to place the cursor on an activated AIS target symbol.
2. Press the [F2] key to open the AIS(1) menu.
3. Press the [2] key (Sleep Target) to sleep the target.
4. Press the [MENU] key to close the menu. The target is marked with the sleeping target
symbol, whose triangle is smaller than that of the activated AIS target symbol.
Sleeping target
10.4.2 Sleeping all AIS targets
1. Press the [F2] key to open the AIS(1) menu.
2. Press the [8] key (Sleep All Targets) to sleep all targets.
3. Press the [MENU] key to close the menu.
10.4.3 Activating all sleeping AIS targets
1. Press the [F2] key to open the AIS(1) menu.
2. Press the [7] key (Activate All Targets) twice.
3. Press the [MENU] key to close the menu.