CR34/44/54 Glossary of terms Appendix A-1
General
Almanac – a satellite’s almanac data, is data which determines an approxi-
mate lane for satellites in orbit. The almanac data is used by the GPS receiver
to find and lock onto the satellite signal. CRXX has a built-in basic almanac.
AV N – 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.
Configuration – the configuration functions of the CRXX allow you to adapt
the system more specifically to your needs. You may set Units of measure
(feet, fathoms, meters, etc.), Menu languages, Scroll speed, etc.
dGPS – differential data is received from satellites via built-in DGPS module
or an external DGPS Receiver.
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.
Heading – the direction of which the vessel is pointing (from ext.compass).
Measurement units – the user may select the displayed units to be one of the
following:
m meters
ft feet, 1 foot is 0.3048 meter
fm fathoms, 1 fathom is 1.83 meters
nm nautical mile, 1 nm is 1852 meters
kn knots, nautical mile per hour
km kilometer, 1 km is 1000 meters
kh kilometer per hour
mi statute mile, 1 mile is 1609 meters
mh mile per hour
MENU – the selection of main menus will be shown in the upper part of the
screen. Leaf through the menus by means of the cursor key and the [ENT]
key, or use the numerical keys to activate one of the menus.
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