If the exact same sequence of CAT commands sent to the transceiver following a memory channel reset can result in both passes and failures, then I have to assume that the problem may lie within the transceiver firmware itself. The captures made with the serial port monitoring software showed no difference whatsoever between test run and no CAT Command error responses were received. Without any observable cause emerging, some test cases passed where all memory channels were programmed with SKIP set off, and some failed where all memory channels were programmed with SKIP set on. Numerous test programming cycles using the same memory channel worksheet were repeated many times interspersed with memory channel resets. The test setup included running serial port monitoring software to capture the CAT commands and responses used to write the memory channels to an FT-991A model transceiver. I accept that this is inconvenient, but at this stage I see no way to override that behaviour.įeel free to contact me if you have any questions.ħ3 Chris VK2BYI Author of FTRestore I have had a further opportunity to do some more testing to try and determine what might be causing this problem. Instead, you will need to manually turn off the SKIP setting via the front panel for each memory channel you want to include in a memory scan. It would appear that when memory channels are uploaded to the FT-991(A), each memory is set to SKIP for scanning by default and there is no programmatic way to alter the SKIP setting. Therefore, I can only get FTRestore to do what is possible with the information in the CAT reference and operating manuals. My requests for further technical information from YAESU in the US, Japan and UK for further information have received the answer that all available technical documentation has already been published. RT Systems uses commands that as far as I am aware are not publicly documented.
For the purposes of clarification let me provide the following.įTRestore uses the CAT commands and other information documented by YAESU in the CAT Operation Reference and Operating Manuals for the FTdx1200, Ftdx3000, FT991 and FRT-991A model transceivers to back up and restore memory channels and menu settings.
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