Key press

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Key press

Postby G-Man » Sat Feb 22, 2014 9:28 am

Please can someone give me the exact key presses I need to get to change the megadrum speed to USB only.

This is not ideal but I cannot get my LCD working, and as I will be parting ways with my unfinished megadrum soon I would at least like to get this right before I do so.
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Re: Key press

Postby dmitri » Sat Feb 22, 2014 11:45 am

After powering up.

USB only 1: LEFT, RIGHT, RIGHT, UP
USB only 2: LEFT, RIGHT, RIGHT, UP, UP
USB only 3: LEFT, RIGHT, RIGHT, UP, UP, UP
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Re: Key press

Postby G-Man » Sat Feb 22, 2014 1:22 pm

Thanks Dmitri


I have tried all 3 and I still get sysex timeouts on 96% when trying to save to slot or send all.

I am using a powered hub as suggested by a few others and still no luck.

Anything else I can try?
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Re: Key press

Postby dmitri » Sat Feb 22, 2014 1:25 pm

Without LCD? No.
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Re: Key press

Postby G-Man » Sat Feb 22, 2014 1:33 pm

Can anything be measured on the LCD controller to check that all is ok on the megadrum board?
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Re: Key press

Postby dmitri » Sat Feb 22, 2014 2:14 pm

Without oscilloscope no.
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Re: Key press

Postby G-Man » Sat Feb 22, 2014 2:43 pm

What do I press afterwards to ensure that the speed has saved?
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Re: Key press

Postby dmitri » Sat Feb 22, 2014 3:27 pm

Provided no inputs are triggering, just wait for 10 seconds to make sure it exits the menu.
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Re: Key press

Postby G-Man » Sun Feb 23, 2014 8:01 am

Just to confirm, when going through the 3 options does the midi led light up briefly on each option? If so then I have definitely tried all 3 speeds with no effect.

Would you be willing to allow me to post it back to you for diagnosis and repair and send it back with a working lcd?

The drummer in our band is going to be taking my megadrum and kit that I have made as I am moving and cannot take it with me. I'd like to give him something that works because I have had no luck recently.
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Re: Key press

Postby dmitri » Sun Feb 23, 2014 11:16 am

G-Man wrote:Just to confirm, when going through the 3 options does the midi led light up briefly on each option? If so then I have definitely tried all 3 speeds with no effect.

Yes, it does. It sends a MIDI message from Atmega to PIC.

Would you be willing to allow me to post it back to you for diagnosis and repair and send it back with a working lcd?

You can send it for diagnosis. If it needs a repair it may cost up to to the cost of the board which is 65GBP. The LCD comes only with Basic and Full kit and I will not add it to a Minimal discounted kit.
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