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Going to Colorado?

I'm currently touring with 14 active DL.2's. At our show in Denver, Colorado yesterday, I had several "Filter" errors. As the day went on, 10 out of my 14 fixtures were showing errors! "How can this be?", I thought. I checked a couple of the HEPA filters, which didn't seem too dirty.

Then it occured to me... filter errors are caused by poor air flow (generally dirty filters)... but in this case, I think it was the high altitude. After all, we were a mile high and the air was quite thin.

Anyone else had this type of issue? Just thought I would pass this on.

All of the fixtures continued to work fine all day and for our show that evening. We have a show in Phoenix, Arizona tomorrow. Hopefully my "thin air" theory checks out and they will all be back to normal tomorrow.

-Adam
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    OK..we just finished two shows at the same altitude with totally different results.

    First show was in Dever. Outdoor venue, cold + wet weather (around 45 degrees F and light drizzle). No filter errors.

    Second show next day in Albuquerque. Outdoor venue, very hot + dry weather (around 90 deg F and clear skys). All units showed filter errors.

    Next show is tomorrow in Dallas...I will wait to see if Filter Error persists.

    So this poses the question: do temperature and humidity also factor in with altitude?

    This would make sense as colder, wetter air would be much more dense than hotter, drier air at the same altitude.
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    OK..we just finished two shows at the same altitude with totally different results.

    First show was in Dever. Outdoor venue, cold + wet weather (around 45 degrees F and light drizzle). No filter errors.

    Second show next day in Albuquerque. Outdoor venue, very hot + dry weather (around 90 deg F and clear skys). All units showed filter errors.

    Next show is tomorrow in Dallas...I will wait to see if Filter Error persists.

    So this poses the question: do temperature and humidity also factor in with altitude?

    This would make sense as colder, wetter air would be much more dense than hotter, drier air at the same altitude.
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