ECDIS-E User Guide Sensor Management
65934012 6-9
CAUTION: LOP SENSOR
The amount of time that a LOP position sensor will be considered
usable is limited. Note that LOP position sensor data is dead
reckoned, and this data will become degraded after a period of
time.
To change the Position sensor source do the following:
1. Tick the button next to the source. Whenever the sensor source is
about to be changed a window prompts you to confirm the change.
2. To confirm click the Yes button, or to return to the previous sensor
source and value click the No button.
If no sensor source is currently available the user can enter manual sensor
data.
CAUTION: MANUAL SENSOR DATA
Using manual data is not the normal mode of operation. A sensor
device should be selected as soon as valid data is available.
Manual data cannot be entered if AIS input is enabled. Before
entering data turn off the AIS input, see AIS Display in Chapter 10
`Targets’
1. To enter manual sensor data click in the MAN field, the text
changes to green (editable). Move the trackball left or right to enter
the required value and left click to exit edit mode.
2. Click the MAN button to enter the value.
3. Where the sensor is changed the values shown against the
selected data source are applied. The STW readout shown in the
Indicator Display and the ship's STW marker also change to reflect
the new sensor value.
To change the sensor source from the current automatic source (usually
GPS):
1. Tick the DR or MAN sensor button. Whenever the sensor source is
about to be changed a window prompts you to confirm the change.
Manual sensor data cannot be entered if the system has AIS input.
2. To enter manual data click in the MAN field, the text changes to
green (editable) and the screen keypad appears.
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