WPs, User Chart objects etc. when corresponding sheet is open in a Dialog box
area.
OK/ENTER
It is used in window dialog to select OK or ENTER option.
SELECT NEXT
If dialog box has two or more sheets, SELECT NEXT is used to open next sheet.
CLOSE/CANCEL
It is used in window dialog to select CANCEL-option or to close window.
Direct function push buttons
STANDARD DISPLAY
It is used to make displayed object selection as defined by IMO performance
standard.
CHART ALIGN
User can move own ship and ARPA targets over chart to new position. It is used
to align chart correctly if used position method does not give accurate position.
Moves also waypoints etc. to a new position if corresponding window is open in
dialog box area.
ZOOM OUT
This is used to change the scale of displayed chart. The scales of chart have
defined by system. Pushing once the zoom out pushbutton you get next smaller
scale of chart on display (e.g. before ZOOM OUT scale was 1:10000 and after
ZOOM OUT it is 1:20000). The scale of chart is indicated as fraction in lower
statusbar.