Examples

 QFI>FRC A 0  !Single word read of CSR 0 at primary address A (hex) in
 		the local crate

 QFI>FRC 4010B 2 Single word read of CSR 2 at primary address B (hex) 
 		in a remote crate using an SSP cable segment. See 
 		HELP ROUTING for information on communication with 
 		remote crates.

 QFI>DEFINE C1 C0000001  Set up a definition of "C1" as C0000001 hex. 
 		(see HELP DEFINE for details)
 QFI>FRC TDC1 C1 Single word read of CSR "C1" (defined above as 
 		C0000001) at primary address defined by "TDC1".  
 		"TDC1" is assumed to have been previously set up by 
 		a call to TREE or to FBWHO (see help TREE or FBWHO) 
 		and can be accessed by the SHODEF command.