2021-06-24
Page 5 of 38
CU-M001 User manual
TERMINOLOGY
Terms used in this manual
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Units
Unless otherwise stated, all values shown on the display are as follows:
Speed
knots
Distance (Vessel)
Nautical miles
Depth
Meters
Tilt
° Degrees
Temperature
° Centigrade
Rotation
Degrees per minute
Heading
Degrees
Abbreviations
In addition, the following abbreviations are used
WT
Water track
BT
Bottom track
STW
Speed through water
SOG
Speed over ground
TripW TripG
Text for trip/total through water (W) and over ground (G)
ECDIS
Electronic Chart Display and Information System
INS
Inertial Navigation System
VDR
Voyage Data Recorder
ROT
Rotation from Gyro
GYRO
Gyroscopic heading / rotation sensor
HDG
Heading
DL2
2 Axis Doppler Log (with speed over bottom and Speed through water)
DL1
1 Axis speed through water sensor (part of DL21 system)
DL21
A system with combined DL1 and DL2 in the same housings