41 Programs for 7470 Plotter - Why so few?
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08-10-2016, 04:20 PM
Post: #24
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RE: 41 Programs for 7470 Plotter - Why so few?
Hello Angel,
When I ran the page 33 test this morning I got the same error. Here is my small investigation ... I launched the sniffer to look at what was going on on the wire. Code: UNL RFC Translation Code: - loop management The error is related to the HP-GL IP command sent by the 82184A LIMIT function. The parameters at LBL 50 are 0 270 0 190 Some math: 10800 / 270 = 40 and 7600 / 190 = 40 -> ok, my scale is 40 I then opened the HP-7470A manual for page limits at page 2-2 -> US = 191 x 257 mm & A4 = 191 x 272 mm Aha! my plotter was set to US so the maximum was 191x40=7640 by 257x40=10280 and the LIMIT is sending 10800 I then changed the switch to A4, power down/up the plotter to make it read the switch change, find A4 paper sheets which is pretty rare in North-America, rerun the example and voila my updated RAM version works. My next steps is to do a diff on all the source code and run the examples as I finish sections. I will keep you posted as I progress. Best regards, Sylvain |
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