====== 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.

<code xbasic>
A = CheckBf(1)         ' Check current data in the receive buffer
</code>


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