User's Manual

MDC-5200/5500 Series Chapter 4 Target (AIS and TT)

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PAST POSN TIME

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3 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 auto

acquisition area in the menu display.

Note: The changing item by using EBL/VRM knob will be displayed with yellow characters.

(MDC-5200 series)

4 When the setting of the automatic acquisition area is completed, then press ENT key, AUTO ACQ

AREA will be activated.

Note: If AUTO ACQ AREA is set in the whole circumference, [WIDTH] needs to be set the 0.0˚ or 360.0˚.

PAST POSN: Past position

The past position of TT (target tracking) and AIS (activated target) can be displayed.

1 Press MENU key to display “MENU”.

Select [TARGET] => [PAST POSN TIME] => and setting value.

Setting value: OFF, 30sec, 1min, 3min, 6min, 12min, 30min, 60min

[PAST POSN TIME] item designates recording length.

Up to five record points are available.

Note: The past position by its nature records and displays past positions. Immediate display is

impossible after the start of TT (ARPA) and after the change from AIS sleep target to active target.

In addition, when [PAST POSN TIME] is changed, a past positon record is reset (erased). So,

immediate display is impossible.

In above case, TT or AIS target number characters in [TGT INFO] message at “ASSISTANT

INFO DISP” of the display change to yellow. When “PAST POSN” setting time has passed,

character color turns white.