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<blockquote data-quote="arsenal333" data-source="post: 695540" data-attributes="member: 28103">Okay More testing - got a little further...I'm using a program called 'Free Serial Port Monitor' to echo what is being sent from IRSS. This has help greatly in determining whats going on in the background.firstly the syntax for Hex is as the help screen states: \x??h so for my hex string of08220a000500c7&nbsp; the input into the IRSS field would be\x08h\x22h\x0ah\x00h\x05h\x00h\xc7hNow for the problem, Free Serial Port Monitor shows the correct echo for everything up to&nbsp;&nbsp; '08 22 0A 00 05 00'=correct,&nbsp; '3F'=wrong, should be c7.echo = 08 22 0A 00 05 00 3F should be 08 22 0A 00 05 00 C7 I don't know why this is, by the last hex \xc7h is being interpreted and sent as 3F this is the same for all my checksum hex's\x08h\x22h\x00h\x00h\x00h\x01h\xd5h -off\x08h\x22h\x00h\x00h\x00h\x02h\xd6h -on\x08h\x22h\x0ah\x00h\x05h\x00h\xc7h -HDMI\x08h\x22h\x0ah\x00h\x00h\x00h\xcch -TVso for all \xd5h, \xd6h, \xc7h, \xcch&nbsp;&nbsp; they come out as 3F on the port echo...???I don't understand how this can be, my thinking is leaning towards the Hex implementation IRSS. Would be great to hear from one of the dev's,&nbsp; please....<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin&nbsp; &nbsp; :D" loading="lazy" data-shortname=":D" />&nbsp;&nbsp; so close now, yet so far away...</blockquote>

[QUOTE="arsenal333, post: 695540, member: 28103"] Okay More testing - got a little further... I'm using a program called 'Free Serial Port Monitor' to echo what is being sent from IRSS. This has help greatly in determining whats going on in the background. firstly the syntax for Hex is as the help screen states: \x??h so for my hex string of 08220a000500c7 the input into the IRSS field would be \x08h\x22h\x0ah\x00h\x05h\x00h\xc7h Now for the problem, Free Serial Port Monitor shows the correct echo for everything up to '08 22 0A 00 05 00'=correct, '3F'=wrong, should be c7. echo = 08 22 0A 00 05 00 3F should be 08 22 0A 00 05 00 C7 I don't know why this is, by the last hex \xc7h is being interpreted and sent as 3F this is the same for all my checksum hex's \x08h\x22h\x00h\x00h\x00h\x01h\xd5h -off \x08h\x22h\x00h\x00h\x00h\x02h\xd6h -on \x08h\x22h\x0ah\x00h\x05h\x00h\xc7h -HDMI \x08h\x22h\x0ah\x00h\x00h\x00h\xcch -TV so for all \xd5h, \xd6h, \xc7h, \xcch they come out as 3F on the port echo...??? I don't understand how this can be, my thinking is leaning towards the Hex implementation IRSS. Would be great to hear from one of the dev's, please....:D so close now, yet so far away... [/QUOTE]

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