Using 
ARPA...........................................................................5-1
5.1 
tNtTlAL SETTTNG .......--................................................5-2
Seiting 
Collision 
Decision 
Criteria: SAFE L|M|T...............5-2
Automatio Setting Mode 
(System 
Start)..............................5-4
Sefting 
Range 
Scale: 
RANGE 
SCALE................... 
..........54
Setting 
Own Ship's 
Speed........ 
..............5-5
5.2 DtSPt_AY 
MODE 
SETT|NG...........................................5-7
Setting 
Motion Display Mode 
ITM/RMI 
.............-.................5-7
Sefting 
Bearing 
Display 
Mode 
[Azl 
MOOEI 
........................5-7
5.3 TARGET 
lD 
No. D|SPLAY.............................................5-8
5.4 
TARGET 
ACQU|S|T|ON 
..................5-9
Automatic Acquisition 
[AUTOI.............................................5-9
Manual 
Acquisition 
IMANUALI 
.......-..................................5-11
Use of 
Automatic 
and Manual 
Acquisition Modes 
[G21, 
GZ2l
lAcQ 
MANUALI  ...................................5-12
5.5 
ARPA DATA 
DtSP1AY.................................................5-13
Display 
of Vectors 
................................5-13
Display of 
Pasi Positions 
IPAST 
POSNI...........................5-16
SECTION 
5
OPERATION 
OF ARPA
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