Koden MDC-5200 SERIES, Operation Manual

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MDC-5200/5500 Series Chapter 3 Alarm
0093155002-00 3-7
3.3 Guard zone alarm
Guard zone alarm is an alarm system using TT (ARPA) tracked target or an AIS active target signal.
If a TT (ARPA) tracked target or an AIS active target enters a guard zone, then a large, red symbol is
displayed and [ALARM] is generated.
If a TT (ARPA) un-tracked target or an AIS sleeping target enters there, then no alarm is generated.
How to set guard zone alarm
1 Press MENU key to display “Menu”.
2
Select [ALARM] => [GUARD ZONE] => [ON], and press ENT key.
The color of EBL1, EBL2, VRM1 and VRM2 key’s light turns red. (MDC-5500 series)
symbol will be shown at the left of numerical indication of [BRG REL] or [WIDTH] and [RNG] or
[DEPTH] menu.
Blue dashed line of guard zone alarm area and orange dashed circle line will be displayed on the
display.
2
Press EBL1 or EBL2 key, and Select an item to be set between [BRG REL] and [WIDTH] by using
EBL/VRM knob (MDC-5200 series) or EBL knob (MDC-5500 series).
In the same way, press VRM1 or VRM2 key, and select an item to be set between [RNG] and
[DEPTH] by using EBL/VRM knob (MDC-5200 series) or VRM knob (MDC-5500 series).
The selected item is shown with a symbol at the left of numerical indication at the guard zone
alarm in the menu display.
Note: The changing item by using EBL/VRM knob will be displayed with yellow characters.
3 When the setting of the guard zone alarm area is completed, then press ENT key, orange dashed
circle line will disappear, and guard zone area alarm will be activated.
Orange dashed
circle line
Blue dotted line of
guard zone alarm area
GUARD ZONE
BRG REL 338.0
˚
WIDTH 115.0 ˚
RNG 006.0NM
DEPTH 002.0NM
(MDC-5200 series)
EBL/VRM knob is used
for setup.
(MDC-5500 series)
EBL knob and VRM knob
are used for setup.