CheckBf()

variable = CheckBf(channel)

variable	Variable to store results (No String or Single)
channel	RS232 Channel (1 to 3)

The command CheckBf() can be used to check the current data in the receive buffer without modification. Unlike Get, it will not erase the data after reading. Only 1 byte can be read at a time.

A = CheckBf(1)         ' Check current data in the receive buffer

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