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Full Version: [CA11] RADAR overlay on C Series
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I have a C120 with the latest software update, v5.16. Will I be able to use the RADAR overlay again if I install v4.30?
Welcome to the Raymarine Forum Max Bottomtime,

As you have suggested the C-Series Classic MFD v5.16 software requires that the MFD be interfaced to a source of heading data when seeking to use the software's radar overlay feature. Should the software of the C-Series Classic MFD be downgraded to v4.30, then the MFD will support radar overlay with the support of either heading or COG. The link to the v4.30 C-Series Classic MFD software update may be found within the software history table of the C-Series Classic MFD software update web page. When using the currently available Navionics cartography, it is recommended that the MFD be operating with v5.16 C-Series Classic MFD software.
I uploaded V.4.30 this morning and everything is working perfectly. I have the radar overlay back. :)
You're welcome.
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