MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6
Using The Menu Operation Manual
93142122-07 6-21
Indication Meaning Selection
TRAIL MODE Echo Trail Mode PAINT, PLOT
PAINT: The ship’s trail is displayed for the time specified by the operator. Once
selected, the trail is displayed every picture scan for a specified time. After fully
displayed within the time, the entire trail length is first shortened to 2/3 of a total length
and then it continues to stretch to its full length. The PAINT is a default setting.
PLOT: The trail is plotted every specified time, leaving the ship’s trail in a dot form.
6.4.2.12 OFF CENTER (Off-center Mode)
This menu is used to select the point of offset to which the center of the radar picture
is shifted.
Indication Meaning Selection
OFF CENTER Off-Center Mode CURSOR, OPPOSITE
The available off center modes are as follows:
CURSOR: An entire radar screen can be shifted to any point within 66% of the screen
radius.
OPPOSITE: An entire radar screen can be shifted downwards by 66% of the screen
radius.
6.4.2.13 GYRO/LOG (Own ship's information)
This menu is used to select the usage of GYRO/LOG.
Indication Meaning Selection
GYRO/LOG Own ship's information OFF, ON
The own ship's information selections are as follows:
OFF: No ship's information such as Heading, Water speed, Ground Speed are used.
ON: The radar system will use the Heading, Water-Speed, and Ground-Speed.
Note1: It is necessary to use the Heading information for ATA operation.
Note2: It is necessary to use the Heading, Water-Speed, and Ground-Speed with
navigation equipment for AIS operation. No manual-speed, no manual Set-Drift can
be used for AIS operation.
6.4.3 BITE (Built In Test Equipment)
NOTE: This menu is protected from ordinary operations. To use this function, turn off the
radar first. Press and hold the MODE key and turn the radar on. When the standby condition
is established, turn the radar on to enter the following menu functions.
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