Chapter 6 MDC-1810P/1820P Series
Using The Menu
Operation Manual
6.4.2.9 ALARM MODE (Alarm Zone Set Mode)
This menu is used to set up the alarm zone shape.
Indication
Meaning
Selection
ALARM MODE
Alarm Zone Set Mode
VARIABLE, FIXED
Selectable alarm zones are as follows:
VARIABLE:
The alarm zone shape can be changed from a full circle to any form of
semi-circles. The depth and angle of the alarm zone can be set using the EBL and
VRM.
FIXED:
The alarm zone can be selected from three different shapes, the 90 degree,
180 degree and full circle.
6.4.2.10
TRAIL MODE (Echo Trail Mode)
This menu is used to select the type of trail presentations.
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.
6.4.2.11
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.
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