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Bc2000 (for the BCF2000 & BCR2000)

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Re: Absolute vs. Relative modes?

2008-12-27 by Mark van den Berg

--- In bc2000@yahoogroups.com, "hooeygoo" <SMG_Music@...> wrote:
> When I power up the BCR all rotary settings are at 0, as expected, so
> the first time I use one to control, say, a volume fader in my DAW, it
> jumps to 0, then follows the rotary.

> I thought maybe I could avoid this by using Relative rather than
> Absolute mode, but maybe not, or I'm doing it wrong. REAPER, for
> example, has Absolute and 3 Relative modes to choose from, but none of
> the combinations of BCR/REAPER settings I've tried work. The control
> will just move slightly and erratically, sometimes in the opposite
> direction of the encoder.
> 
> I know I can use the Exit button to disable the encoder temporarily
> while I match the values, but should I be able to use Relative mode
> instead? And if not, can someone explain what this mode is used for?

Concerning "Relative": I'm unsure whether it can do what you want,
since this depends on the receiving device's capabilities. In any case
there's some (admittedly rather technical) explanation of the BCR's
Relative modes in "BC MIDI Implementation.pdf" (e.g. section 14.3, p. 77).

Concerning the BCR's power-up values: it IS possible to set them to
other values than 0. In BC Manager (at least if the DPI setting is 96
;)), you can go to the "General" tab of the encoder dialog box, then
set "Value" (under "Default") to a value you like, and upload this
setting (within a memory preset) to the BCR. This value will then be
selected the next time you switch on the BCR and then select that
memory preset, as indicated by the encoder's dot.

However, in your case it would of course be best to have your DAW send
its settings to the BCR when you select the preset on the BCR, so that
the BCR's encoders are immediately updated to the DAW's settings. It
depends on your DAW whether this is possible; in any case it is
possible to have the BCR send any "learn" request whenever a
particular memory preset is selected: in BC Manager, enable "Request"
on the "Settings" tab in the preset dialog box, and put the proper
request on the "Learn output" tab.

Alternatively, you can enable "Snapshot" on the preset's "Settings"
tab: then the BCR sends a memory preset's button and encoder values to
the DAW whenever that preset gets selected. Of course this still leads
to your deplored jumps, but at least you don't have to turn your
encoders manually to update your DAW's settings.

Hope this helps a bit,
Mark.

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