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I am having a heck of a time getting this gun to zero from my TSC3. The gun seems to connect as soon as I run "Station Setup" from the collector, but when I tell it to backsight it beeps but does not zero and the collector says instrument error.
The baud rate is set to 1200, parity is even, stop bits 2. I tried going up to 4800 on the baud, but I'm really grabbing at straws. If anyone has any know how it is greatly appreciated.