Tentacles 0.5s out of sync immediately after jamming

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Immediately after jamming two tentacles from my Sound Devices 633, I connected them each to my iPhone to verify the the timecode values. On each tentacle, the TC value was about 0.5 sec late out of sync with the master clock on the 633.

Ive never heard of this problem from post, but this is also the first time I check the TC values against the master clock.

Any idea what can cause this? App running on an iPhone 5c IOS 10.3.1.



How did you determine this offset?


Hi Marc, that’s what I am also curious about. How did you check the offset? Also, is there an offset only between the Tentacles or the Tentacles and the mixer?

Did you take a photo of the iPhone screen together with the screen of the 633? This will not work, because both screens have a latency and the Tentacle Setup App tc display is not meant to be frame accurate.

edited answer