Re: [Flexradio] crackling noise

2010-12-06 Thread Peter - VE3HG
/KnowledgebaseArticle50459.aspx -Tim -Original Message- From: flexradio-boun...@flex-radio.biz [mailto:flexradio-boun...@flex-radio.biz] On Behalf Of Graham Haddock Sent: Sunday, December 05, 2010 8:09 PM To: Peter - VE3HG Cc: flexradio@flex-radio.biz Subject: Re: [Flexradio] crackling noise

[Flexradio] crackling noise

2010-12-05 Thread Peter - VE3HG
The 1500 has a crackling noise which is occurring randomly every second to every few seconds or so. Sounds just like a broken speaker cable. Not so noticeable on SSB but on CW it's unacceptable. Changed the headphones; used a dummy load; tried different bands and the only thing that killed the

Re: [Flexradio] crackling noise

2010-12-05 Thread Jeff Kelly
:55 PM To: flexradio@flex-radio.biz Subject: [Flexradio] crackling noise The 1500 has a crackling noise which is occurring randomly every second to every few seconds or so. Sounds just like a broken speaker cable. Not so noticeable on SSB but on CW it's unacceptable. Changed the headphones; used

Re: [Flexradio] crackling noise

2010-12-05 Thread Mike WA8BXN
I get a noise that may be the same when the volume slider is all the way up. Turning it down just a bit cures it. 73/72 - Mike WA8BXN ___ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz

Re: [Flexradio] crackling noise

2010-12-05 Thread Gerald Youngblood
Peter, Bring up the Performance tab on the Windows Task Manager and see if you are getting 100% CPU spikes that look like a heartbeat. If so you may need to implement Step 5 in the FLEX-1500 Driver Patch Kit for PowerSDR v2.0.16 Installation Troubleshooting Guide on the download page. It may

[Flexradio] crackling noise

2010-12-05 Thread Peter - VE3HG
Thanks to those who suggested the graphics card might be the suspect. Sure enough swapped Windows 7 computers and no crackling. The 2.80 gig HP with a GeForce 8600 GT card and 4 gigs of memory was the problem. A 3.33 gig E-Machine with a lesser ATI HD4350 card and only 2 gigs of memory ran

Re: [Flexradio] crackling noise

2010-12-05 Thread Graham Haddock
Peter: In addition to looking at the CPU loading in Task Manager, I also suggest that you download the tool named DPC Check from xx and run it. The intermittent crackles caused by the CPU loading can usually be cured by installing the .dll patch for 2.0.1. If the intermittent crackles

Re: [Flexradio] crackling noise

2010-12-05 Thread Graham Haddock
Peter: In addition to looking at the CPU loading in Task Manager, I also suggest that you download the tool named DPC Latency Checker from http://www.thesycon.de/dpclat and run it. The intermittent crackles caused by the CPU loading can usually be cured by installing the .dll patch for 2.0.1.

Re: [Flexradio] crackling noise

2010-12-05 Thread Tim Ellison
: flexradio@flex-radio.biz Subject: Re: [Flexradio] crackling noise Peter: In addition to looking at the CPU loading in Task Manager, I also suggest that you download the tool named DPC Latency Checker from http://www.thesycon.de/dpclat and run it. The intermittent crackles caused by the CPU loading