I have a 3 site multicast on conventional FM. The default settings are RSSI=0 Delay=0. This seems odd. Ideally I would like radio to periodically sample all channels for strongest signal not just park on 1st signal and remain till it goes away. Second option would be to at least sample other channels when current landed channel goes below threshold and that threshold would ideally be before signal became 80% white noise. The cps range for threshold is 0-127 RSSI so could I set it to 10 or so and would that accomplish my purpose? Why would 0 be default?
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VP8000 Conventional Analog Voting Threshold
- Thread starter otobmark
- Start date
So, "voting scan" works by scanning through all channels in the list. When it hears a valid signal, if it's above a certain level, it stays there. It will continue to stay there until it drops below a different preset level for a preset period of time, or the signal goes away for a period of time. If a signal drop occurs, it will start to look at the other channels, assuming they are all linked and also transmitting, and if it finds another one that is stronger, it will go there.
That's how conventional analog "voting scan" works on all brands. It can't keep looking back to find stronger signals all the time, because then you'll get chopped up audio.
As to thresholds, I agree the help files should describe what those parameters do. My assumption would be that RSSI default of 0 is the lowest RSSI that cause it to look for another site. The higher you set that, the higher the level that it will start to look for another site, which could cause the radio to look for sites when the current site is still OK. The delay should be the time it needs to be at that level before it will start to look, but that is usually into seconds, not milli-seconds. And the check boxes are a bit of a mystery too.
That's how conventional analog "voting scan" works on all brands. It can't keep looking back to find stronger signals all the time, because then you'll get chopped up audio.
As to thresholds, I agree the help files should describe what those parameters do. My assumption would be that RSSI default of 0 is the lowest RSSI that cause it to look for another site. The higher you set that, the higher the level that it will start to look for another site, which could cause the radio to look for sites when the current site is still OK. The delay should be the time it needs to be at that level before it will start to look, but that is usually into seconds, not milli-seconds. And the check boxes are a bit of a mystery too.
Yeah— anything above a level as opposed to optimized. I could stay on a barely usable site while in range of a -30db site. Last voted channel landed persists all except power cycling for next ptt. The radio does seem to scan ofter hang time elapses.
Voting systems work as they were described to you in post #2.
Most systems I see are set if the signal gets worse than -95Db for 3 to 4 seconds it looks for a signal and stays there until it drops to a worse signal.
This also takes work by your Radio Shop testing and knowing Signal Levels of the operational area to be covered.
This also includes setting up repeaters to have as little overlap as possible.
Most systems I see are set if the signal gets worse than -95Db for 3 to 4 seconds it looks for a signal and stays there until it drops to a worse signal.
This also takes work by your Radio Shop testing and knowing Signal Levels of the operational area to be covered.
This also includes setting up repeaters to have as little overlap as possible.