HP Forum Archive 06

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The navigation module info Message #1 Posted by Carls Toloss on 5 Oct 2001, 3:37 p.m. Does anyone have information on The navigation module part# hp-00041-14028 for the HP-41C. How many were made? Where can I get detail information about them.? Thanks for your help !

Re: The navigation module info Message #2 Posted by Vieira, Luiz C. (Brazil) on 6 Oct 2001, 10:32 p.m., in response to message #1 by Carls Toloss Hello, Carls. I have a NAVIGATION MODULE, 1B version, that has a 2210 heatprinted in it's botton halfcase. If it is a reference, maybe it will help. I have lost the Owner's Manual and I had to download a scanned one so I could print it. Anyway, is there any specific information you need? Be my guest e-mailling me.

Re: The navigation module info Message #3 Posted by Carls Toloss on 7 Oct 2001, 6:02 p.m., in response to message #2 by Vieira, Luiz C. (Brazil) Thanks Luiz, The number you're refering to I believe is the serial number, mine has a 2337 (not sure). and it has the word "NAVIGATION" printed with silver letter on it. I was just wondering if there might be differnet version of this modules out there and what the diffence might be. This one I know is for marine navigation (celestial navigation). Are there any other kind of navigation modules available for he HP-41 (for other fields)? How do you know yours is version 1B? Thanks in advance Luiz.

Re: The navigation module info Message #4 Posted by bill duncan (canada) on 8 Oct 2001, 3:06 a.m., in response to message #3 by Carls Toloss The version shows up in the directory listing when you do a [CAT]-2. As far as I know, there was only 1 navigation module. Some of the other navigation programs (like for the hp-67/97) can probably be converted.

Re: The navigation module info Message #5 Posted by Mike (Stgt) on 8 Oct 2001, 4:32 a.m., in response to message #3 by Carls Toloss AFAIK, the heatprint on modules is coded year and week of production. My "Navs" are marked 2209 and 2316. Both show NA1B as ID and 36B as checksum (lower 4k). The upper 4k shows no ID (@@@@) and 115 as checksum. Hope this helps. Ciao.....Mike

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