Furuno FAR-2107 Series Service Manual page 389

ARPA ALARM
COLLISION
GUARD
LOST
ARPA SYSTEM ERROR
TARGET-FULL
(AUTO+MAN)
TARGET-FULL (AUTO)
TARGET-FULL (MAN)
AIS ALARM
COLLISION
LOST
Cont'd
Table 6.4.2 List of ARPA ALARM Message
Displayed when ARPA target within CPA and TCPA limit set in the
[CPT LIMIT] box menu is detected.
This is processed as a dangerous target and the symbol of the
applicable target is changed from a circle to a triangle in blinking red.
Displayed when an ARPA target comes in the guard zone set in
[GZ1] and [GZ2] box menus.
When the target echo under tracking is not detected for preset scan
times, the target is processed as a lost target. If the echo is inputted
within the number of lost-targets times, it is not regarded as a lost
target. Even after the target becomes a lost target, tracking is
continued. And when applicable echoes are inputted again, it is not a
lost target any more.
Displayed when the ARPA CPU stops on the SPU board.
Displayed when the number of both auto and manual acquisition
targets are reached to maximum number. (The number is set in the
[ARP] box menu: 100 targets at a maximum.)
Displayed when the number of auto acquisition targets are reached to
the maximum number. (The number is set in the [ARP] box menu.)
Displayed when the number of manual acquisition targets are reached
to the maximum number. (The number is set in the [ARP] box menu.
Table 6.4.3 (1/2) List of AIS ALARM Message
Displayed when an AIS active target within CPA and TCPA limit set
in the [CPT LIMIT] box menu is detected.
This is processed as a dangerous target and the applicable target is
presented in blinking red.
Displayed when a lost target is detected on the radar side. The
conditions of the lost targets are:
- When a target cannot be received in five report intervals of the
target
- When a target cannot be received for 6 minutes
Note:
- Conditions of the lost targets on the FA-100 are:
When a target cannot be received for 3 minutes 20 seconds or
more, the target becomes a lost target. And, when it is not
received for 3 minutes 20 seconds or more, it is deleted from
the reception file.
- Conditions of the lost targets on the FA-150 depend on the speed:
For instance, the target becomes a lost target in 10 minutes
while the ship stops, and in 7 seconds when the speed is 23 kt
or more. When there is no reception for 400 seconds or more, it
is deleted from the reception file.
6-33
Description
Description
6.4 Error Messages