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Chapter 9
9.1
General Specification
Ground measuring system
Bow starboard/port speed measurement scale
Ahead/astern speed measurement scale
Stern starboard/port speed measurement scale
No. of digits displayed
Minimum digital display unit
Minimum analog display unit
Sailing display range
Ship speed accuracy
Sailing accuracy
Power consumption
Power consumption of resource alert circuit
Specification
Satellite system
-99.99 to +99.99kn
-99.99 to +99.99kn
-99.99 to +99.99kn
Fixed 4 digits
0.01kn
Scale: 0.5kn units
Value: 5.0kn units
0-999999.99 NM
1% of the speed of the ship, or 0.1kn whichever is
greater
0.2% of the speed of the ship, or 0.02kn whichever is
greater (only for positioning by 5 or more satellites)
Greater value between 1% per hour or 0.1NM
53W 60VA (for 100VAC)
58W 110VA (for 230VAC)
0.25W (normal condition)
0.5W (when power fail alert happening)
9-1
Chapter 9 Specification
9
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