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Post by macnik on Dec 18, 2009 17:44:08 GMT
I came across some information on the web today that mentioned that there is a lithium battery installed in the Quadreverb when EFTP are loaded. The author states that this mod has removed the memory from the original Quad and if the Quad is not powered up for a time (unspecified) the lithium cell goes flat. If this happens then all the patches are lost. I have a Quad+ and am now worried as I am taking a couple of weeks to visit family and will not be powering up the Quad.
Am I worrying needlessly, or should I put the Quad on a timer to start it once a day.
I would really appreciate some advice on this to allay my fears.
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Post by Charlie Hall on Dec 18, 2009 19:07:22 GMT
All the Alesis units I have written programs for always had a lithium battery, it is not something I added.
The 1/2AA 3.6 volt battery in the Quad Plus is much larger than the coin type cells fitted in the other models. I don't remember hearing of one ever going flat, although since the oldest Quadraverbs are now 20 years old, it would probably be a good time to start thinking of when to change the battery.
If you remove the top lid you can quite easily measure the battery voltage to see if it is still reading good.
Regards,
Charlie
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Post by macnik on Dec 19, 2009 9:05:38 GMT
Charlie, thank you for your reply. The author gave me the impression it was an after market mod and no offense was intended on my part.  Shows that how without any knowledge in these matters it perhaps causes needless worry. Could you please advise me how to physically take the reading as I don't know anything about this side of things, and is the battery an off the shelf item or not. I just plug and play. Thank you. |
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Post by rjdupe on Dec 19, 2009 9:47:37 GMT
Hi Charlie and all,
Firstly Happy Christmas and New Year to everyone.
Secondly. I have had my Quad plus battery replaced when I bought the unit. Is it necessary, as our friend says, to power up the units if not in use. I assume that the lithium batteries are not charged when the unit is in use.
All the best to all,
Robert
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Post by Charlie Hall on Dec 19, 2009 14:30:27 GMT
You need a digital voltmeter to read the battery, set to the 20 volts DC range. You will find the battery to the right hand side of the main board, it is about half the length of an AA battery and has two wires, one from each end of the battery. You just put one meter probe on each end.
The battery is only used when the unit has no power cable connected to it. The battery does not accept a charge when the unit is powered up.
Regards,
Charlie
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Post by macnik on Dec 19, 2009 17:26:16 GMT
Hi charlie
Thank you very much for your help on this. I really appreciate it.
Cheers
Ian
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Shows that how without any knowledge in these matters it perhaps causes needless worry.