19-1
19. Navigation Sensors
19.1 Choosing Navigation Sensors
The operator can choose navigation sensors to use for navigation and view their current values on the Sensors dialog
box. To access this dialog box, put the cursor on the Position field in the information area then push the right mouse
button.
Checkbox status shows whether the sensor is used for integrated navigation or not. If there is no value shown for a
sensor this means that the sensor is not valid. Note that the content of these pages depends on sensors that are in use
on the ship.
19.1.1 Sensors dialog box description
Speed/Course page
Source:
In a multiple workstation environment verify that the
sensor source indicated at the top of dialog box is the
intended one.
Manual speed:
If checked, operator can enter value (Kt) for speed.
Note: This is used only if there are no other speed or
SOG sensors chosen.
Log:
If checked, a log is used as water speed source. "(no
pulse)" is used to indicate that a log device with closed
contact relay interface using 200 pulses/nm does not
give any pulses and thus the speed might be wrong. If
Log is chosen and "no pulse" condition is detected, then
the system generates the alarm "2005 Log data
unreliable".
Note: If you have a dual-axis Doppler log which can
measure both water and bottom track, then installation
parameters can be set to receive water tracking as log
device.
ARPA
Gyro 2
Rate gyro (calc.)
0.0 /min
Gyro 1
Dual log (water):
If checked, a dual log is used as speed and course source. "(water)" is used to indicate that this information is from
water track of dual log.
Dual log (bottom):
If chosen, a dual log is used as speed and course source. "(bottom)" is used to indicate that this information is from
bottom track of dual log.
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