User's Manual

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

0093169006-05E 4-33

 Past position

1 Trail of tracked symbol is displayed by setting past position time.

Set up the past position time in the “PAST POSN” at the right middle of the display.

PAST POSN 3min

 Guard zone

1 Confirm that the Guard zone alarm is displayed in the alarm display area at the lower right of the

display when the tracked symbol has entered the Guard zone.

Blinking of tracked symbol will stop by pressing OFF key to acknowledge.

The tracked symbol remains red until it leaves from Guard zone.

Alarm display area

 TEST TGT OFF

Select [TARGET] => [TT] => [TEST TGT] => [OFF], and press ENT key.

Stop transmission and restore GAIN, RAIN, and SEA setting value to original knob position.