Koden MDC-2200 series, Installation Manual

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MDC-2200/2500 Series Chapter 5 Detailed setup and additional menu
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5.1.2 Echo
5.1.2.1 Keeping range
This is used to save trails that were recorded from a previous range after the range has been
changed.
This function makes it easier to confirm motion of targets since past trails remains after range
changes.
Setting value : Off, On
Note : The trail is displayed in a course font and difficult to view when the range is changed from
distant range to close range.
5.1.2.2 Time keep
Factory default setting is “OFF”, and trails in the past are deleted when trail time is changed.
Setting value : Off, On
In case of “ON”, if either trail function is set “ON” or trail time is changed, the trail equivalent to the
time set is displayed. Movement of the other vessels (traveling direction and speed) can be
captured instantly.
In case Time keep function is set “ON”, the Alarm2 detection function cannot be used in the alarm
menu. Also, selectable time of TRAILS menu are OFF, CONTINUE, 30s to 24hr.
5.1.2.3 True move
Switch calculation base of own ship movement in true trail display mode.
Setting value : Course, Position
“Course” calculates movement distance from course and ship speed.
“Position” calculates movement distance from course and latitude/longitude.
“Position” selection is effective to obtain stable trail under rough current where error of speed
sensor is large.
5.1.2.4 Rel mode
This is to select the signal (ship’s bearing or true) as criteria to record trails, in case trail mode is
used as “REL”.
Setting value : HDG, TRUE
Heading (Ship’s bearing): Trails are recorded taking the ship’s bearing as criteria.
The echo moving by own ship’s turn remains as trail.
True: This is active when such a bearing sensor as gyro, GPS compass is connected, to record
trails based on the true bearing from the bearing sensor. The echo moving by own ship’s