I have six ME-1 units that are three years old. One of them does not come up with the last used preset. The user must Recall a saved preset every time. All the other units come up with the last used preset. Is there a fix for this?
I don’t know a huge amount about the ME-1 systems, but that problem, to me, screams of a problem that most older PCs suffer from, which is a dead CMOS battery. I would think that, based on your description, those units also avail of them for memory retention. Most likely would just be a cheap CR2032 battery needs replacing.
Hopefully it is the type that is clipped into a battery socket (first image), rather than the board soldered ones (second image) like you would find in older console game cartridges, though still easy enough to replace once you find a new one, as long as your soldering skills (or those of a friend) are even remotely decent.
Both should be easily bought on Amazon.
Once again, I’m surprised that A&H neither confirms nor denies this.
But I would assume with 99% certainty that they also use non-volatile memory in the ME-1, which can also save firmware, scenes, libraries, and the current state in their other battery-free devices.
So before you start opening up your device or buying batteries, I would definitely ask A&H about this.
Agreed. It’s so disappointing. I have really soured on A&H quality. I’ve opened up a ticket. I’ll let you know what they say.
I’d like to assume that if 1 out of 6 devices behaves slightly differently, it’s not a quality issue, but a configuration issue.
Do they all even have the same firmware?
That would be very kind.
I was able to work on this recently. Tech Support pointed out to me that I was wrong in how I thought the ME-1 worked. It does not load the last used PRESET. The ME-1 works by loading PRESET #1 upon power up. Every time. All the time. This behavior is not mentioned in the user guide.
So in my case, all users of the venue have access to this one ME-1 as it’s mounted on a drum kit that stays on stage. Apparently another user of the venue stored their configuration on PRESET #1, set that prest to RECALL-ONLY and cleverly named it DEFAULT which successfully totally threw me off.
So it has nothing to do with NVRAM or backup batteries.
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Apparently another user of the venue needs a swift slap to the mouth 
Interestingly, I have been ‘tweaking’ our ME-1 setup this weekend and found something slightly different with the behaviour.
A while ago I made some temporary changes to our SQ7 to ME-1 setup for our keyboard player. Everything was great during the service, so I stored the temporary change in our default scene at the SQ7 end.
The keyboard player didn’t save the corresponding change at the ME-1 end and he ‘lost it’ following a power cycle between the morning and evening services.
So far so good.
I have been making a few additional tweaks this weekend (change the temporary bodge into a more suitable permanent change) and noticed the opposite behaviour. A change I made yesterday (Sunday) persisted over a power cycle to today (Monday) WITHOUT me saving the change at the ME-1 end.
Hmm.
We don’t have a ME-1 ‘scene’ saved on key #1, so there is nothing for the ME-1 to load at power-up.
I also note (when I press and hold the RECALL key) that key #12 illuminates solidly whilst a few other keys flash (indicating the scene that was last loaded and keys that are associated with scenes). Key #1 is neither solid nor flashing.
There is more to the ME-1 power-up behavior than Allen & Heath are telling us.
Can A&H tell us the definitive position I wonder?
Dave
I also want to know the answer to this as I have similar suspicions.
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If we don’t get any response from A&H, I am likely to be purchasing another couple of ME-1’s shortly; so I will experiment:
- Factory reset with no saves. What happens if I create a group and assign some none-consecutive channels to the group. Then perform a power cycle.
- Create the group (as above) and save to key #9. Make a further change to the group (without saving) and then perform a power cycle.
- Load the group from key #9, make a change, and save it to key #1. Recall key #9 and make a change without saving. Perform a power cycle.
Any other scenarios that I need to consider?
Dave