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IC-910 with Uni_Trac 2003

											2 June 2004
To:	IC-910 Owners with Uni_Trac 2003,

	The problem described in the appended message from KL7TS has me baffled. 

	We have supplied a lot of UT-2003 systems for IC-910 owners. 
	This is the first time we have heard of a problem.

	Do you have any idea what the cause of his problem is? And a solution?
	I am not familiar with the IC-910.
	Any help you can give to solve the mystery will be much appreciated. 
	
	73s,   de John  G3BVU/W1.

	************************************************************************	
>Return-Path: <kl7ts@hotmail.com>
>X-Originating-IP: [209.193.22.71]
>X-Originating-Email: [kl7ts@hotmail.com]
>X-Sender: kl7ts@hotmail.com
>From: "TJ Sheffield" <kl7ts@hotmail.com>
>To: spectrum.ma.ultranet@rcn.com
>Cc: kl0qw@arrl.net, johnlynn@gci.net, aksunlite@aol.com
>Subject: Uni_Trac 2003 recent purchase
>Date: Tue, 01 Jun 2004 20:57:21 -0800
>X-OriginalArrivalTime: 02 Jun 2004 04:57:22.0049 (UTC)
FILETIME=[16D65F10:01C4485E]
>
>Hello John,
>
>TJ Sheffield here, with the Anchorage Amateur Radio Club.  We recently 
>purchased Uni_Trac 2003 Iím asking for some help prior to Field Day:
>
>1).  Uni_Trac 2003 arrived in fine shape ñ thank you very much!
>
>2).  Uni_Trac 2003 software was upgraded to Version 4.0.f from the internet 
>site.
>
>3).  Weíre using the interface cable as delivered with the purchase.
>
>4).  Weíre running Windows 2000 Professional, Service Pack 4, AMD processor, 
>262 MB RAM
>
>5).  The computer communicates with Uni_Trac 2003 which correctly operates 
>the Yaesu G-5400B rotors.
>
>6).  IC-910H interface does not yet work.  The software will occasionally 
>change the state of the radio, but basically reports the IC-910 is turned 
>off, is not connected or the baud rate is incorrectly set.
>
>7).  There is continuity in the interface cable and all radio control pins 
>appear correctly wired based on the documentation (i.e. TTL Port 1 wired to 
>pins 4 and 16) with continuity to the tip of the 3.5mm plug.  All pins 
>indicated as ground are connected to the sleeve of the 3.5mm plug.  The 
>software is looking for the radio on Port 1.
>
>8).  There is a steady 4.46 vdc on the tip of the 3.5mm output plug and the 
>Uni_Trac 2003 is showing a ìgreenî (healthy) LED.
>
>9).  The 4.46 vdc will ìfluctuateî (from zero to some positive indication 
>and back to zero etc.) when a ìTRACK TESTî is initiated by the software 
>(sorry I donít have a scope).
>
>10).  The ìTRACK TESTî begins by correctly moving the rotors, then the 
>ìRefresh Satelliteî box turns to light blue, then the software indicates the 
>radio is either turned off, disconnected or the baud rate is incorrect.  
>This turns the Uni_Trac LED to a ìredî (unhealthy) condition.
>
>11).  There is a steady 4.75 vdc measured on the input jack in the back of 
>the IC-910 radio (Uni_Trac plug not connected).  This voltage will 
>ìfluctuateî when tuning the radio or when changing itís state (for example 
>swapping the Main and Sub bands).
>
>12).  Iíve made sure the IC-910 baud rate matches the software and Iíve 
>tried various combinations from 1200 to 19200 baud, including ìdelaysî of 
>from 0 to 250 milliseconds (configured in the software).
>
>13).  The IC-910 ìaddressî is the ICOM default of ì60î.
>
>14).  The software is set for Radio ì27î (from the documentation).
>
>15).  The jumpers inside the Uni_Trac 2003 are all in the Factory Default 
>positions ñ i.e. A2 to A3, B2 to B3, C2 to C3, D2 to D3.  Iíve tried setting 
>the jumpers for Yaesu Port 1 only (assuming Yaesu / Icom) but no luck.
>
>16).  Iíve reset the CPU on the IC-910H and Iíve reset the Uni_Trac 2003.
>
>Now I donít know what else to try.  Please advise if there is something Iíve 
>missed.
>
>Sincerely,
>
>TJ Sheffield ñ KL7TS
>Anchorage Amateur Radio Club
>Field Day Co-Chairman
>

	
	Yours truly,

	C.J.Beanland, MSEE, C.Eng., MIEE, MRAeS.
	Sales Manager,
	Spectrum International,Inc.	spectrum@spectrum-intl.com
	P.O. Box 1084,			Tel: (978) 263-2145
	Concord, Mass. 01742.		Fax: (978) 263-7008

		
	Yours truly,

	C.J.Beanland, MSEE, C.Eng., MIEE, MRAeS.
	Sales Manager,
	Spectrum International,Inc.	spectrum@spectrum-intl.com
	P.O. Box 1084,			Tel: (978) 263-2145
	Concord, Mass. 01742.		Fax: (978) 263-7008
----
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