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1. [TenTec] Noise Reduction Setting (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Sat, 02 Dec 2006 21:47:41 -0600; I have the O II, 2.037J firmware. The manual says that different noise reduction settings affect how long the DSP takes to decide what's nose and what's signal, but that the end result is the same. I; /archives//html/TenTec/2006-12/msg00026.html (7,126 bytes)
2. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "Merle Bone" <merlebone@charter.net>; Date: Sun, 3 Dec 2006 12:24:10 -0600; Has the NR changed in later firmware versions and the manual failed to keep? Or, has the manual always been in error? -- Kim, your observations are correct. The V1 and early V2 noise reduction DSP co; /archives//html/TenTec/2006-12/msg00030.html (9,791 bytes)
3. Re: [TenTec] Noise Reduction Setting (score: 1): Author: Chas Nagel <cnagel@sbcglobal.net>; Date: Mon, 4 Dec 2006 09:07:23 -0800 (PST); Kim, Under the same conditions when the NR is on in any position I have raspy CW reception. Do you experience the same with your Orion II NR? Charles, K0CW In playing with it on CW, this doesn't appe; /archives//html/TenTec/2006-12/msg00039.html (8,121 bytes)
4. [TenTec] Noise Reduction Setting (score: 1): Author: "Emil Borys" <eborys@martinauto.com>; Date: Mon, 4 Dec 2006 12:19:55 -0600; Charles and Kim, I have a new O II, current firmware, purchased from TenTec about a month ago. I also have experienced the same phenomenon with the DSP NR. Regardless of signal levels, Atten, RF Gain; /archives//html/TenTec/2006-12/msg00046.html (9,101 bytes)
5. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "Grant Youngman" <nq5t@tx.rr.com>; Date: Mon, 4 Dec 2006 20:09:04 -0600; If you operate CW with reasonably narrow bandwidths, DSP NR is largely superfluous, if not downright useless. The most effective noise reduction tool in CW mode (any radio, not just the Orion/II) is; /archives//html/TenTec/2006-12/msg00048.html (8,247 bytes)
6. Re: [TenTec] Noise Reduction Setting (score: 1): Author: Chas Nagel <cnagel@sbcglobal.net>; Date: Mon, 4 Dec 2006 18:22:30 -0800 (PST); Thanks, Emil. My Orion I, using 1.372, had good NR. Perhaps TT will address the problem in future Orion II firmware updates. Charles, K0CW Seeing that CW is virtually my only mode of operation, it is; /archives//html/TenTec/2006-12/msg00049.html (9,911 bytes)
7. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "n4dsp" <n4dsp@triad.rr.com>; Date: Mon, 4 Dec 2006 21:39:20 -0500; I have an Orion II with firmware 2.037j and have not encountered this problem. I suggest doing a Reset and see what happens. 73 john-n4dsp _______________________________________________ TenTec maili; /archives//html/TenTec/2006-12/msg00051.html (10,870 bytes)
8. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "n4dsp" <n4dsp@triad.rr.com>; Date: Mon, 4 Dec 2006 21:45:15 -0500; Try also to reinstall the firmware. 73 john-n4dsp _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2006-12/msg00052.html (11,698 bytes)
9. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "yahoo email" <barbiekenw@yahoo.com>; Date: Mon, 4 Dec 2006 20:15:04 -0700; The orion shapes a bandpass to fit the CW signal, with DSP NR. It sounds kinda "t8". There is a bit of DSP artifact that you hear when the signal breaks the NR threshold. Are you new to DSP processed; /archives//html/TenTec/2006-12/msg00053.html (8,213 bytes)
10. Re: [TenTec] Noise Reduction Setting (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Mon, 04 Dec 2006 21:51:41 -0600; Honestly, I don't think there is a significant problem. Having fancied myself very picky about audio (I'm an amateur violinist and was a borderline audiophile -- or audiophool -- in the distant past); /archives//html/TenTec/2006-12/msg00055.html (12,676 bytes)
11. Re: [TenTec] Noise Reduction Setting (score: 1): Author: Ken Brown <ken.d.brown@hawaiiantel.net>; Date: Mon, 04 Dec 2006 18:19:37 -1000; Hi Kim Are you one of those guys that pays big bucks for an AC power cord, with gold plated connector prongs, for your audio system, and can hear the subtle improvement in the "timbre" of the audio t; /archives//html/TenTec/2006-12/msg00056.html (8,539 bytes)
12. Re: [TenTec] Noise Reduction Setting (score: 1): Author: Lin Davis <linbdavis@earthlink.net>; Date: Tue, 05 Dec 2006 00:16:07 -0500; Hi Kim, Back in the spring, many of us posted here regarding the NR. As Grant suggested, you can check out the archives. There's good (historical?) information there. The manual section regarding NR; /archives//html/TenTec/2006-12/msg00057.html (15,902 bytes)
13. Re: [TenTec] Noise Reduction Setting (score: 1): Author: RaySoifer@cs.com; Date: Tue, 5 Dec 2006 08:41:23 EST; Hi all, I've had my O2 for nearly a year now, and am currently running 2.037j. I'm no musician, just an old CW operator, but I cannot hear any meaningful distortion. I normally run the NR at 4, NB an; /archives//html/TenTec/2006-12/msg00058.html (8,222 bytes)
14. Re: [TenTec] Noise Reduction Setting (score: 1): Author: Chas Nagel <cnagel@sbcglobal.net>; Date: Tue, 5 Dec 2006 06:02:49 -0800 (PST); Tnx. Good points! Sometimes one forgets he is dealing with a computer where it at times becomes necessary to "reboot" or reinstall the OS. Will do so and see what happens. Charles, K0CW 73 john-n4dsp; /archives//html/TenTec/2006-12/msg00059.html (12,991 bytes)
15. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "GARY HUBER" <glhuber@msn.com>; Date: Tue, 5 Dec 2006 08:24:29 -0600; I have a different approach.... for those who are hearing impaired; I recently purchased a pair of SIEMENS CENTRA Hearing "Aids" and had the audiologist program them using the audio response curves o; /archives//html/TenTec/2006-12/msg00060.html (12,292 bytes)
16. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "Toby Pennington" <toby423@earthlink.net>; Date: Tue, 5 Dec 2006 09:45:23 -0500; Emil, first of all the comment from Ten Tec repair seems to be out of character from all my experiences from that department in the past. I have always been treated with courtesy and respect. The guy; /archives//html/TenTec/2006-12/msg00061.html (13,002 bytes)
17. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "Barry Gross" <barry.n1eu@gmail.com>; Date: Tue, 5 Dec 2006 10:31:37 -0500; Along with the RF Gain control (as in reduce it). I've removed the "NR" button from my front panel. And FWIW, my AGC threshold hasn't moved from 1uV since running any firmware after v1.372 73, Barry; /archives//html/TenTec/2006-12/msg00063.html (9,257 bytes)
18. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "Grant Youngman" <nq5t@tx.rr.com>; Date: Tue, 5 Dec 2006 11:32:16 -0600; Actually, in the later releases the AGC Treshold is tied to RF Gain, so when you reduce RF Gain you also change THRESHOLD, regardless of what the menu says. You just can't see what it has been chang; /archives//html/TenTec/2006-12/msg00064.html (9,397 bytes)
19. Re: [TenTec] Noise Reduction Setting (score: 1): Author: wa3fiy@radioadv.com; Date: Tue, 05 Dec 2006 14:02:07 -0500; Can't say why THRESHOLD was put there as a separate control but I like it that way. Although I do use the RF Gain often, I also use the AGC THRESHOLD. Here's my background. I have a fairly serious he; /archives//html/TenTec/2006-12/msg00067.html (11,141 bytes)
20. Re: [TenTec] Noise Reduction Setting (score: 1): Author: "GARY HUBER" <glhuber@msn.com>; Date: Wed, 6 Dec 2006 10:38:26 -0600; I'm having similar "hearing problems". I elected to purchase SIEMENS CENTRA hearing aids and have two of the four "memories" programmed with Heil HC-4 and HC-5 audio response curves.... see this week; /archives//html/TenTec/2006-12/msg00075.html (12,902 bytes)

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