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Hi,

Here's a few things to check:
Cartridge:
If you have an original DX7, caartridges for the DX7II or DX7s wont work.
I believe you might need an adapter to make an original DX7 cartridge
work in a DX7II. If you are using a DX7II you may be trying to read
patch data out of a section of the cartridge formated for micro tunings.
Go into edit mode and press the cartridge button. You should be able to
find out what section of the cartridge the DX7 is trying to read and you
should be able to find out what it's formated for.

Mod wheel:
Also, check the patch to see whether any of the operators use Amod. Some
patches don't have anything for EGbias and Amod to affect. Each operator
(operators affect each other in various ways to produce a sound) has an
Amod (I don't know if I'm remembering the name of it right) setting which
allows the Mod wheel and other thing to vary the amplitude of the
operator. More amplitude on some operators makes a part of the sound
louder. On others, more amplitude will make part of the sound brighter.
EGbias and Amod affect the same things. EGbias increases the amplitude
of an operator. Amod varies the amplitude through the LFO to make the
amplitude go up and down regularly. I'm sorry if this has been a little
thick for a beginnig DX7 user. In short, you can try other patches and
see whether EGbias and Amod affect them.

Make a joyful noise,
Nathan

Message: 1
Date: Sun, 24 Dec 2000 16:41:26 -0000
From: goonmusic@...
Subject: Please help! DX7 Problems.

Can anyone help me? I acquired a DX7 today, and I already love it,
but I've had one or two problems.

First off, whenever I try to use one of the ROM carts, when I try to

select a sound, I get a "FORMAT CONFLICT!" message. I thought this
only happened with RAM carts? What's happening?!

Another problem is that the only mod wheel effect that works is
pitch. EG BIAS and AMP have no effect. I tried adjusting the
senstitivity to no avail. Is something wrong with my machine?

If anyone could help, I'd be very grateful.
Ta!
Jon

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Hi

Thanks for replying!

If you have an original DX7, caartridges for the DX7II or DX7s wont
work. I believe you might need an adapter to make an original DX7
cartridge work in a DX7II.

I'm using a DX7 Mk1, and I'm pretty certain the carts are original
DX7 ones, as the guy I got it from had it from new, and still had the
patch list that came with the carts. I'm able to select cartridge
memory, but when I select a patch it gives me that 'FORMAT CONFLICT!'
message. I've heard some early carts had batteries; could that be
the problem?

Mod wheel:...

I tried every patch to no avail. I've got the Amp mod working (it's
just called 'amplitude' on the DX) but still no EG bias. Maybe I
should have it looked at.

Who can help!?!
Thanks again,
Jon