..well, figured out how to flash the firmware with the app and, thanks to help here, I was able to do a cal first in order to make the new firmware retain the config I set up. My original goal is to brighten up the faint grid lines and am given to understand that this can be done via console commands in lieu of the missing "BRIGHTNESS" option on previous firmware.
I am using PuTTY to connect and having no success. It has been set up as a serial connection to COM10 (checked with my Windows 7 device manager) and the parameters are the same the as the app parms (shown in the attachments below). Each time I attempt to open the connection I get the missing file error message per the error message attached
Appreciate any help.
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William, k6whp
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"Cheer up, things could get worse. So I cheered up and things got worse."