Why is the 'Alert' icon illuminated or flashing on my Koden Transceiver?
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Johnny PhamAug 6, 2025
The 'Alert' icon may be illuminated or flashing on your Koden Transceiver due to several reasons: the unit might not have a valid MMSI, so check that the AIS transceiver is correctly configured. The VHF antenna may be faulty, so check its connection and for any damage. It could also be because no GNSS position fix can be obtained; ensure the transceiver has a clear sky view or that the external GNSS antenna is properly connected. Also, verify that the power supply is within the range of 10.8VDC to 31.2VDC. You can also check the alert messages in the ‘Alerts’ menu and check the help available. If these steps don't resolve the issue, consider consulting your dealer.
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Michael JohnsAug 11, 2025
What to do if my Koden Transceiver screen is not illuminated?
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Jose JacksonAug 11, 2025
If the screen of your Koden Transceiver is not illuminated:
* First, check that the power supply is correctly connected.
* Also, verify the power supply is a 12VDC or 24VDC supply.
* Try pressing and holding the ‘Navigation status / Screen brightness’ button for at least 5 seconds to return the display to maximum brightness.
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blackbrianaAug 17, 2025
How to fix VSWR Alert Activated or High VSWR on Koden Transceiver?
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Rachel NixonAug 17, 2025
To address a VSWR Alert or High VSWR on your Koden Transceiver:
* Ensure the VHF Antenna is as far away as possible from metallic structures and other antennae.
* Ensure the VHF Antenna is as high as possible.
* Confirm the VHF Antenna is suitable for AIS, meaning it has a 3dBi Gain, operates within 156-162MHz, and uses high-quality RG213 or RG214 cable.
* The VHF Antenna cable should be as short as possible, ideally no more than 30 meters (100ft) in length.
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Debra PriceAug 23, 2025
What to do if external sensors are not being recognized by my Koden Transceiver?
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Steve MelendezAug 23, 2025
If external sensors are not being recognized by your Koden Transceiver, check the Compatibility Mode option in the Interface Settings Menu. Also, verify the Baud Rate setting and ensure the wiring is correct.
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tclarkAug 29, 2025
How to troubleshoot no data being received by a connected chart plotter from Koden Transceiver?
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Theresa GonzalezAug 29, 2025
To troubleshoot the issue of no data being received by a connected chart plotter from your Koden Transceiver, verify that the power supply is connected correctly and that it is a 12VDC or 24VDC supply. Also, check that the connections to the chart plotter are correct.
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