Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4F34B380000AC; Sat, 12 May 2012 13:00:01 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1STFf1-0001bH-Kn for rs_out_1@blacksheep.org; Sat, 12 May 2012 17:59:15 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1STFf1-0001b8-8V for rsgb_lf_group@blacksheep.org; Sat, 12 May 2012 17:59:15 +0100 Received: from smtpout3.wanadoo.co.uk ([80.12.242.59] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1STFez-00046e-HS for rsgb_lf_group@blacksheep.org; Sat, 12 May 2012 17:59:14 +0100 Received: from computereebf79 ([95.145.0.213]) by mwinf5d44 with ME id 94z01j0084bkNH3034z0Pn; Sat, 12 May 2012 18:59:13 +0200 Message-ID: <99F3BE8C10254B3AAC3A81BA16DA2584@computereebf79> From: "Martin Evans" To: References: Date: Sat, 12 May 2012 17:59:00 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Spam-Score: 0.2 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Thanks Andy. I expected this to be the case, but hope springs eternal! OK, back to the drawing board. [...] Content analysis details: (0.2 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.12.242.59 listed in list.dnswl.org] 0.2 STOX_REPLY_TYPE STOX_REPLY_TYPE X-Scan-Signature: 6ffbd2c9950b634d6cc91f9565b01a8b Subject: Re: LF: IEEE488 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.6 required=5.0 tests=FORGED_MUA_OUTLOOK autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:479221536:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d40c94fae97110149 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Thanks Andy. I expected this to be the case, but hope springs eternal! OK, back to the drawing board. Martin GW3UCJ. ~~~~~~~~~~~~~~~~~~~~~~~~~ It 'would' be possible if you :- 1) Know the command's needed to control the sig. gen That will be in the equipment manual 2) Have an IEE488 interface on your PC, or a USB/IEE488 or whatever, adapter box 3) Manage to get the author of the QRSS software to include a driver to send commands on the IEE488 interface to control the amplitude 1) is just reference material 2) costs a few tens of pounds, 3) is going to be well-nigh impossible So, its almost certainly not-on I assume you were hoping for a simple on/off pin to be available on the connector. IEE488, otherwise known in HP's implementation as HPIB, is an 8 bit wide, rather ancient bidirectional bus for computer control of test equipment. In spite of its age - designed in the late 1960's or thereabouts - due to its universality and standardisation of connectionsand protocol (though not commands) its still alive today. USB and COM port to IEE488 interfaces are readily available. Andy www.G4JNT.com