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. CX34/44/54 has a built-in basic
almanac.
ATFT – Advanced Thin-Film Transistor (Active matrix) display.
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 CX34/44/54 allow you to
adapt the system more specifically to your needs. You may set Units of meas-
ure (feet, fathoms, meters, etc.), Menu language, 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]
CX34/44/54 Operator manual
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