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[CA11] Downgrade es127 from Lighthouse 3>2
07-25-18, 04:45 AM (This post was last modified: 07-27-18 12:00 PM by Chuck - Raymarine - Moderator.)
Post: #1
[CA11] Downgrade es127 from Lighthouse 3>2
Hi,

How do I downgrade my es127 running lighthouse 3 back to lighthouse 2?

I have tried populating an sd card with lighthouse 2 update software. However when i put the card in and switch the plotter on it just starts up lighthouse 3 and doesn’t register the older update files.

Thanks,
Sam
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07-27-18, 10:35 AM (This post was last modified: 07-27-18 12:01 PM by Chuck - Raymarine - Moderator.)
Post: #2
RE: [CA11] Downgrade es127 from Lighthouse 3>2
Welcome to the Raymarine Forum Sam,

Please click here to view a FAQ addressing this subject.
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03-20-19, 08:53 AM
Post: #3
RE: [CA11] Downgrade es127 from Lighthouse 3>2
The FAQ mentions Axiom ISO files, are these the correct ones to use with ES/GS Systems? I know when upgrading the software you must choose between LH3 for Axiom or ES/GS.
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03-20-19, 10:29 AM
Post: #4
RE: [CA11] Downgrade es127 from Lighthouse 3>2
Sam12,

The software update files used to downgrade the software of eS/gS-Series MFDs from LightHouse 3 to LightHouse II are identical to the software update files which would be used to update the software of an a/c/e/eS/gS-Series MFD from an earlier version of LightHouse II to LightHouse II v19.03.
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03-21-19, 02:14 AM
Post: #5
RE: [CA11] Downgrade es127 from Lighthouse 3>2
OK but where can i get these older files? Your website only has the very latest updates?
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03-21-19, 11:13 AM
Post: #6
RE: [CA11] Downgrade es127 from Lighthouse 3>2
Sam,

Q. OK but where can i get these older files? Your website only has the very latest updates?
A. Should you examine Raymarine's Product Software Updates web page, you will find a LightHouse 2 OS for a-Series | c-Series | e-Series | eS-Series | gS-Series as well as a LighHouse 3 OS for eS-Series MFDs and gS-Series MFDs option listed within the MFD Software menu. Selecting the menu option LightHouse 2 OS for a-Series | c-Series | e-Series | eS-Series | gS-Series will display the LightHouse II software update web page from with version 19.03 software may be downloaded. Earlier versions of LightHouse II software are not available.
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