User's Manual

Chapter 4 Target (AIS, TT and Trial manoeuvre) MDC-7000P/7900P Series

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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 knob.

In the same way, press VRM1 or VRM2 key, and select an item to be set between [RNG] and

[DEPTH] by using VRM knob.

The selected item is shown with a symbol at the left of numerical indication at the auto

acquisition area in the menu display.

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 Move the cursor to set value window of [PAST POSN] upper right part of the display.

Press ENT key to select [T] or [R].

Note: [TRUE/REL] is in common with [TRAIL] (Refer to 2.19 Target trail). So, if you change one

part, the other part will change accordingly.

2 [PAST POSN TIME] item designates recording length.

Up to five record points are available.

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