flex control 2018-06-16T00:47:03Z 2018-06-15T02:24:37Z 7750471 7750471 flex control 2018-06-16T00:47:03Z 2018-06-15T02:24:37Z Joe Sartori - K3WTF joe_sartori_8lugoof6f8mg6 sometimes tuning doesn't work.&nbsp; it may work for a few kc but then I'm spinning it and it doesn't move...&nbsp; any ideas? question 5 5 1 comment 19583746 Bill English responded to "flex control" 2018-06-15T02:27:07Z 2018-06-15T02:27:07Z Bill English bill_english_5blgpijmytb5g You have it enabled under the settings in SmartSDR, right?<br />Are you connected to the PC via a USB hub? 0 19583832 Chris Tate - N6WM responded to "flex control" 2018-06-15T04:25:08Z 2018-06-15T04:25:08Z Chris Tate - N6WM n6wm_contesting Joe,&nbsp; you may have a conflict of com ports.&nbsp; this happens sometimes with flex control.&nbsp; try adjusting the com port for your flex control to a different port.&nbsp; use a high number, say like com 55, something that is well out of range of the others.&nbsp; This has worked in the past for some with this issue. 0 19585495 Tim - W4TME responded to "flex control" 2018-06-15T21:51:32Z 2018-06-15T21:51:32Z Tim - W4TME tim_5750981 This sounds more like an issue with the USB port not keeping&nbsp;up (<a href="" rel="nofollow" target="_blank" title="Link https//helpdeskflexradiocom/hc/en-us/articles/202118458-How-to-Mitigate-FlexControl-Latency"></a>) or a shaft encoder issue. 0 19585674 Joe Sartori - K3WTF responded to "flex control" 2018-06-16T00:22:04Z 2018-06-16T00:22:04Z Joe Sartori - K3WTF joe_sartori_8lugoof6f8mg6 well I changed com ports and buffers seems the same .... 0 19585700 Richard Albright responded to "flex control" 2018-06-16T00:47:03Z 2018-06-16T00:47:03Z Richard Albright richard_albright Check the set screw on the knob. I had the same problem.&nbsp; Rich&nbsp; W3OT 0