User's Manual

Chapter 4 Target (AIS, TT and Trial manoeuvre) MDC-7000P/7900P Series
0093169006-05E 4-18
Enable TT function
There are two methods to enable TT function.
By menu
1 Press MENU key to display “Menu”.
Select [TARGET] => [TT] => [TT] => [ON], and press ENT key.
By trackball
1 Move cursor on the TT OFF in the upper right of the display, then press ENT key.
Note:
• Pressing ACQ key in [OFF] state automatically turns to [ON] state.
• TT function does not work due to incompleteness of input sentence when own ship information
display in upper right of the display is turned orange.
• TT (ARPA) is effective by using TT in combination with [ASSISTANT DISP].
Manual acquisition
1 Move cursor to a target to be acquired, then press ACQ key.
A broken circle symbol is displayed at the cursor location, and acquisition starts.
About 30sec. from 1min. later, a broken circle symbol turn into a thick solid line, displayed vector of
target’s motion trend and TT ID number (if selected), and displayed within 3min. the target’s
prediction motion.
Target Cursor
ACQ key
Broken circle
1
1
1
TT ID number (1 to 100)
Refer to 4.1 Common setting “Set AIS/TT ID DISP TYPE”
and “Set ID DISP SIZE”.
Time increment marker (OFF, 2, 3, 5, 10)
Refer to 4.1 Common setting “VECTOR REL/TRUE”.