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Sylvia ChenSep 6, 2025
What does 'Nav line exceeded' mean on my Koden Marine Radar?
- WWilliam WaltersSep 6, 2025
If your Koden Marine Radar displays 'Nav line exceeded,' it means your own ship crossed the Nav line.
What does 'Nav line exceeded' mean on my Koden Marine Radar?
If your Koden Marine Radar displays 'Nav line exceeded,' it means your own ship crossed the Nav line.
Why is COG/SOG unavailable on my Koden Marine Radar?
If your Koden Marine Radar shows 'COG/SOG is unavailable,' this indicates that the COG/SOG data is not being inputted.
Why is HDG unavailable on my Koden Marine Radar?
If your Koden Marine Radar displays 'HDG is unavailable,' it means that THS or HDT signals are not being inputted.
What does 'Antenna magnetron current abnormal' mean on my Koden MDC-7912P Marine Radar?
If your Koden Marine Radar displays 'Antenna magnetron current abnormal,' the magnetron may be at the end of its life, or the transmission high voltage fuse may be blown.
What does 'Received AIS message' mean on my Koden MDC-7912P?
If your Koden Marine Radar displays 'Received AIS message,' it means the unit received an AIS message to OWN ship.
Why does my Koden Marine Radar display 'Change to reference antenna'?
If your Koden Marine Radar displays 'Change to reference antenna,' it means the set CCRP went beyond the radar display, and the reference has moved to the antenna position.
What does 'Tracked targets overload (95%)' mean on Koden Marine Radar?
If your Koden Marine Radar displays 'Tracked targets overload (95%),' it means the number of tracking targets has exceeded 95.
What does it mean when a tracked target exceeded the CPA/TCPA limit on my Koden Marine Radar?
If your Koden Marine Radar displays 'Tracked target exceeded the CPA/TCPA limit,' it means a tracked target has turned into a dangerous target.
What does 'Antenna magnetron heater abnormal' mean on my Koden MDC-7912P?
If your Koden Marine Radar displays 'Antenna magnetron heater abnormal,' there might be something wrong with the magnetron or the scanner unit.
What does 'AIS no OS COG/SOG data' mean on Koden MDC-7912P?
If your Koden Marine Radar displays 'AIS no OS COG/SOG data,' it means that the own ship’s data necessary for AIS is not being input.
General| Brand | Koden |
|---|---|
| Model | MDC-7912P |
| Category | Marine Radar |
| Language | English |
Safety precautions for operating the radar system, including antenna rotation and radio waves.
Information on health risks associated with electromagnetic waves emitted by the radar antenna.
Warning about dangerous internal high voltage present in the antenna and display units.
Capacitors retain high voltage after power off; allow discharge time before inspection.
Disconnect onboard power source to prevent electric shock during maintenance.
External views, dimensions, mounting, and antenna assembly for scanner units.
Navigating the MAINTENANCE menu, setting password, and performing initial startup adjustments like TUNE and HL OFFSET.
Configuring antenna cable length, suppression, SEA curve, function keys, and range enabling.
Setting up heading, speed, position, time, and I/O formats for external sensors and data.
Configuring serial data output, alarm signals, input limits, port formats, and clutter presets.
Information for repair requests, self-diagnostics, alarm displays, and operation notes.
Guides for identifying and diagnosing various radar malfunctions using flow charts.
Detailed steps for resolving issues like no power, no display, no response, or no echo.
