USB-UIRT - meaning of "RepeatCount" in .IR

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I'm trying to get reliable channel changing on my 8300HDC STB.
It frequently misses some of the digits, and the HD-PVR ends up recording the wrong channlel (usually it loses the first two digits - I want channel 1234, and I get channel 34).

I have installed the excellent STBKeepAlive program, which emits an "Enter" key every 2 hours.

However, I am still getting incorrect channels.

I was wondering if I could cause SageTV to send the channel change command twice - I.E, if I want channel 1234, it would send 12341234.

I'm not sure what the RepeatCount parameter in the .IR file means, but I don't think it is the repetitions of the complete channel change sequence, since some .IR files I have seen have a RepeatCount of 10.

The first two lines of my SA8300HDC.IR file look like this:

SA8300HDC 0 0 4 600 800
0 0000 0048 0000 0018 00C0 00C1 0030 0092 0030 0092 0030 0031 0030 0092 0030 0092 0030 0092 0030 0031 0030 0031 0030 0092 0030 0092 0030 0031 0030 0031 0030 0031 0030 0092 0030 0031 0030 0031 0030 0031 0030 0092 0030 0092 0030 0030 0030 0031 0030 0092 0030 0883