User's Manual

2-25
⑦：Past position display interval unit switching
The past position display interval unit is switched whenever the button is clicked.
min ⇒ NM ⇒ min
⑧：AIS On / Off
The AIS display is switched to On / Off whenever the button is clicked.
⑨：Tracked target symbol display On / Off
The tracked target symbol display is switched to On / Off whenever the button is clicked. Use this
function to avoid confusion with the AIS symbol.
⑩：AIS target symbol display On / Off
The AIS target symbol display is switched to On / Off whenever the button is clicked. Use this
function to avoid confusion with the tracked target symbol.
⑪：Association On / Off
The tracked target / AIS target association is switched to On / Off whenever the button is clicked.
⑫：AIS filter mode switching
The AIS filter is switched whenever the button is clicked.
Range ⇒ Sector ⇒ Zone ⇒ Range
⑬：Radar trails display true / relative switching
Radar trails are switched to T (true motion trail) / R (relative motion trail) whenever this button
is clicked.
This setting is restricted by the radar display motion mode.
In relative motion display mode (RM), switching to T / R is possible.
In true motion display mode (TM), only T can be set.
(Display does not change even if this key is switched on the JPL-600-MK2 for VTS.)
⑭：Radar trails display time switching
The radar trails display time is switched whenever the button is clicked.
If the time does not reach the radar trails time that was set, the remaining time is displayed on the
right-hand side.
If the button is clicked for 2 seconds, the RADAR Trails Setting menu is opened.