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-2.1-
2 OPERATION OF AUTOMATIC TRACKING AID (ATA) ARP-17
2.1 Introduction
The FR-1500 MARK-3 series radar can accommodate an optional ATA (Automatic Tracking Aid)
module complying with IMO MSC.64(67) Annex 4 and IEC 60872-2. With the optional ATA circuit
board (ARP -17) fitted in the display unit, the radar will automatically acquire 10 targets coming into
the acquisition area. Once a target is acquired automatically or manually it is automatically tracked
within 0.2 to 32 nm, whether inside or outside the acquisition area.
Principal specifications
Auto tracking range: 0.1 - 32 nm, irrespective of range scale and acquisition range
Vector length: 0.5 sec., 1, 2, 3, 6, 12, 15, 30 min.
Orientation: True velocity or relative velocity
Stabilization: Sea or Ground stabilization
Motion trend: Displayed within 20 scans, full accuracy within 60 scans after acquisition.
Past positions: 10 past positions at intervals of 30 sec, 1, 2, 3 or 6 min.
Alarms: Visual and audible alarms against targets violating CPA/TCPA limits, lost
targets, targets crossing guard zone, system failure and target full status.
ATA Menu tree
MENU key --------------- 1. VIDEO PLOT * Requires RP-17.
------- 2. TGT TRAIL
------- 3. TGT ALARM
------- 4. WATCH TIME
------- 5. ECHO SIG
------- 6. FUNC
------- 7. PLOT-------------------1. MARK DISP (OFF/ON)
------- 8. MARK ----- 2. ERASE
------- 9. BRILL ----- 3. VECT REF (REL/TRUE)
------- 0. OTHERS ----- 4. VECT TIME (30SEC/1/3/6/15/30MIN)
----- 5. CPA SET (OFF/0.5/1/1.5/2/3/4/5/6NM)
----- 6. TCPA SET (30SEC/1/2/3/4/5/6/12/15NM)
----- 7. TRACK (ON/OFF)
----- 8. AUDIO ALARM (OFF/ON)
----- 9. INTVAL (30SEC/1/2/3/6 min)
----- 0. ----------------1.
-----2. AUTO ACQ (OFF/ON/SET)
-----3. GUARD ZONE (OFF/ON/SET)
-----4. TRACK TEST
-----5. LAND DISCRIM (0/1/2/3/4)
-----6. TTM (OFF/REL/TRUE)
-----7. VECTOR START (1 min/20 scans)
-----8. REF TGT VECTOR (OFF/ON)
-----9. TARGET BASED SPEED