CP42/50/52 Glossary of terms Appendix A
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Glossary of terms
Active display – is the display placed in the window with the highlighted frame
on the screen. Only the active display on the screen is operable. Press the
[WIN]
key to toggle which display (window) should be the active one on the screen with
the highlighted frame. Switch between active displays (windows) as required.
Active window – is recognized by the window on the screen with the highlighted
frame. A new active window can be selected via the menu, press
[MENU] and
toggle active window by pressing
[WIN] repeatedly, then select a new display
from one of the menus. The window you selected in the menu bar will now have
the highlighted frame and are therefore the new active window on the screen.
Almanac – a satellite’s almanac data, is data which determines an approximate
lane for satellites in orbit. The almanac data is used by the GPS receiver to find
and lock onto the satellite signal. The CPXX has a built-in basic almanac.
AVN – Approximate Velocity Necessary – to arrive at a specific waypoint at a
specific time.
Bearing – is the direction of where to go e.g. towards a specific waypoint.
Course – Course Over Ground, magnetic or true. The direction of which the
vessel is moving.
dGPS – differential data is received from built-in DGPS module or an external
DGPS Receiver.
DGPS – the position is being corrected by differential data.
ETA – Estimated Time of Arrival – at a specific waypoint if keeping a steady
speed.
Great circle – the shortest distance between two points on the globe.
Grid - on chart can be set to AUTO / ON / OFF.
ON = the grid is always visible on the chart display.
OFF = the grid is turned off and will not show on the chart display.
AUTO = the grid will not appear in the ordinary chart display, but will be there
when in overzoom and when “Chart” is turned off in the Chart setup, which
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