Screenshot on tps2000 series oscilloscopes

Hello

I've been trying to solve this problem for the last days. I have a Tektronixs TPS2024B oscilliscope that uses RS232 to communicate with Labview 8.0 and 2012 (both have the same result). The goal is to get a screenshot using commands on PAPER of Tek. I can reicive a bitmap image, but it's only part of the bitmap and the rest is black. See photo and code below.

You can see the oscilliscope take the paper and there is of course the bytes written to the bitmap of the read buffer. I tried to place delays everywhere to see if that was the problem but nothing helped.

Someone at - it suggestions? Thank you.

Instead of reading 1 million bytes, read a few hundred at a time in a tight loop.

Tags: NI Software

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