Chapter 4 MAINTENANCE
4.5 FAULT FINDING
4-18
Table 4.5-3 Alarm list of system alarm: display unit
Alarm name
(Japanese)
Alarm name
(English)
Class Description
操作部 1 無通信
Keyboard1(Time Out)
Alarm No reply from the control panel after data transmission.
操作部 2 無通信
Keyboard2(Time Out)
Alarm No reply from the control panel after data transmission.
DSP ビデオ
DSP(Video)
Alarm DSP detects VIDEO error.
DSP トリガー
DSP(Trigger)
Alarm DSP cannot receive TI interrupt.
DSP AZI DSP(AZI) Alarm DSP cannot receive BP interrupt.
DSP HL DSP(HL) Alarm DSP cannot receive BZ interrupt.
DSP 処理異常
DSP Error
Alarm Abnormal operation (infinite loop) of DSP.
Table 4.5-4 Alarm list of system alarm: external equipment communication
Alarm name
(Japanese)
Alarm name
(English)
Class Description
GPS ポート
GPS Port
Alarm Serial driver error occurs during COM1 port communication.
Gyro/Compass ポート
Gyro/Compass Port
Alarm Serial driver error occurs during COM2 port communication.
NMEA1 ポート
NMEA1 Port
Alarm Serial driver error occurs during COM3 port communication.
NMEA2 ポート
NMEA2 Port
Alarm Serial driver error occurs during COM4 port communication.
Keyboard ポート
Keyboard Port
Alarm Serial driver error occurs during COM5 port communication.
Scanner ポート
Scanner Port
Alarm Serial driver error occurs during COM6 port communication.
ジャイロ 無通信
GYRO(Time Out)
Alarm For heading equipment=Gyro, cannot receive valid sentences
(including checksum error) which had been received properly.
ログ 無通信
Log(Time Out)
Alarm For speed equipment=log, cannot receive valid sentences
(including checksum error) which had been received properly.
ジャイロ 通信データ
GYRO(Data)
Alarm For heading equipment=Gyro, the GYRO error bit of NSK
communication data is set.
ログ 通信データ
Log(Data)
Alarm For speed equipment=log, the LOG error bit of NSK
communication data is set.
針路 無通信
Heading(Time Out)
Alarm For heading equipment=compass, cannot receive valid NMEA
bearing sentences (including checksum error) which had been
received properly.
針路 通信データ
Heading(Data)
Alarm For heading equipment=compass, cannot receive valid NMEA
bearing data which had been received properly.
2 軸対地 無通信
2AXG(Time Out)
Alarm For speed equipment=2-axis log, cannot receive valid VBW
sentences (including checksum error) which had been received
properly.
2 軸対地 通信データ
2AXG(Data)
Alarm For speed equipment=2-axis log, cannot receive valid VBW
ground data which had been received properly.
GPS エラー
GPS(Error)
Status Failed to set GPS.
GPS 無通信
GPS(Time Out)
Alarm Cannot receive valid GPS sentences (including checksum error)
which had been received properly.
GPS 位置データ
GPS(Position)
Alarm Cannot receive valid position data which had been received
properly
GPS 測地系データ
GPS(Datum)
Alarm Cannot receive valid geodetic data which had been received
properly
GPS 速度データ
GPS(Speed)
Alarm For speed equipment=GPS, cannot receive valid speed data which
had been received properly
GPS 測位状態
GPS(Status)
Alarm Received GPS fixing status error (invalid) data
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