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Subject: Pitch Bend + Modulation Drift

From: "jesseterry" <jesseterry@...>
Date: 2012-07-25

Hi, New Chroma Polaris user, and I've got a problem, wondering if any of you have an idea.

I get random Pitch bend drift, like the following:

11:53:37.336From MIDISPORT 2x2 Port BPitch Wheel1-1408
11:53:37.359From MIDISPORT 2x2 Port BPitch Wheel1-1152
11:53:37.696From MIDISPORT 2x2 Port BPitch Wheel1-896
11:53:37.718From MIDISPORT 2x2 Port BPitch Wheel1-768
11:53:37.730From MIDISPORT 2x2 Port BPitch Wheel1-640
11:53:38.099From MIDISPORT 2x2 Port BPitch Wheel1-512
11:53:38.258From MIDISPORT 2x2 Port BPitch Wheel1-896
11:53:38.437From MIDISPORT 2x2 Port BPitch Wheel1-1024
11:53:38.449From MIDISPORT 2x2 Port BPitch Wheel1-1152

I've replaced the pitch bend and modulation pots, with no luck, and tried a different MIDI interface. I've recalibrated the pitch and mod levers with no luck.

It seems to go away for a bit if I reset the Polaris, but eventually starts drifting again in spurts if I use the pitch level. I can workaround by setting the Pitch Bend Lever range to zero, but then I miss out on the pedal steel pitch bend fun.

Any ideas?

Jesse