Hi Kasmus,
I'll condense the two replies into one,
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So the TC Receiver actually is automatically tuned to the channel included in each displayed GTC message?
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Yes - you have to check (enable) the TSC menu -> Dynamic tracking -> Voice GTCs and/or Data GTCs. With these checked, TrunkSniffer will automatically tune the call's traffic channel.
If you are using the single-receiver mode, the call's audio is buffered and passed through the decoder, so any in-call signalling will also be decoded (for example, presence checks, pressel on/off, end of channel use and clear down messages). If you let TrunkSniffer do the tuning, when it decodes the clear down messages it re-tunes the control channel automatically and carries on tracking.
In dual-receiver mode, the call's end is found by either the busy signal from the receiver going low, or when the call timeout expires. In this case, the control channel is continuously tracked, so the second (traffic) receiver is "parked" on a quiet frequency until the next call. You can also check in the above menu Wait for call end, which will prevent following GTCs that arrive while the traffic receiver is in a call - in busy systems, your traffic receiver would be bouncing to new GTCs every few seconds, which is not good.
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Another issue that bothers me: On the download page it says the demo would run for 40 minutes before shutting itself down.
IMHO it quits much earlier.
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How much earlies? Could you time it somehow? In theory, a simple time adding function is used, so it shouldn't be a problem. I will look into it anyway, just in case.
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The "Lock autoscroll" checkbox does not seem to lock the automatic scrolling, it just slows down a bit, BTW.
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The Lock autoscroll is meant to enable you to move through the decoder window without it jumping to new entries as they are received. What you are seeing is probably the effect of removing old entries as new ones arrive - this is done to avoid hogging a lot of RAM. All that happens is that the first line is removed, and the new one added at the end - but the window should not scroll to this last entry if you have the box checked, and are looking at an older entry.
Best regards,
Mike