TomBoisseau Posted November 2, 2017 Report Share Posted November 2, 2017 Just had this message appear today while shooting a LONG meeting. The unit was recording on average about 2 hours, then a 15 minute break, then 2 more hours, then lunch, then 2 more hours, then a 15 minute break then 2 more hours. I was using the Sound Devices 688 with the SL6 and the CL12 control surface. I used the supplied USB cable to connect the 688 to the CL12, and used an external AC to DC power supply that was connected to the SL6. I also had an NP-L7S in the SL6, but had the priority set to "external" supply. I did NOT connect the 1/4" TRS cable to the CL12. I connected my phones directly to the 688. It all worked fine until the last 3 minutes of the day, when the message below appeared. Now I realize that if using a 664 or 633 with the CL12 it is necessary to supplement the power to the CL12 using some external USB power supply, but I was of the belief this was not necessary with the 688. Fortunately, I had with me the appropriate USB power supply. I quickly ran for it (while the event was still going on), plugged it in, and the message went away. Immediately after the event I called Sound Devices. They told me there are now recommending users of the 688/CL12 combo ALWAYS use the micro USB power input in addition to the USB cable from the 688. I said, does that mean others have had the same problem? The answer was yes. Have others here found that to be true? Do you always need to used the micro USB power input? Thanks, Tom [Edit 11/5/17] I failed to mention, I did have a small USB keyboard attached to the CL12. Quote Link to comment Share on other sites More sharing options...
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