MDC-7000/7900 Series
Chapter 4 Target (AIS,TT and Trial manoeuvre)
0093169010-10
4-23
TEST TGT
Two types of test are provided.
One is check of TT (ARPA) performance and the other is check of functions.
Note:
• For TEST TGT execution, input of own-ship position is required.
• Time input (ZDA, DTM) is not necessary, but without time input, an alarm will activate periodically.
TT (ARPA) performance check
Confirm that the acquisition and track of target is possible, and that the accuracy of data is within the
specification mentioned below.
Time of steady state
minutes
CPA
NM
TCPA
minutes
True course
Degrees
(°)
True speed
1 min: trend
1.0
–
–
–
3 min: prediction
0.3
0.5
5
0.5kn or 1%
(whichever is greater)
Preparation
Display Range rings as follows.
By menu
1
Press MENU
key to display “Menu”.
Select [NAV TOOL] => [RR] => [RR] => [ON], and press ENT key.
By trackball
1
Move cursor on the RR OFF display at upper left of the display, then press ENT key.
2
Set [RAIN] at a minimum level by turning RAIN knob and set [SEA] at a minimum level by turning
SEA knob.
3
Set [GAIN] at a maximum level by turning GAIN knob.
12NM
2NM
Содержание MDC-7010
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