A	ASCII transfer. For text files only. For download, you 
	will be told "strike any key ...". At this point, start 
	to capture the text, and type a key. When done, stop the 
	capture. 

T	MINITEL or TELINK. You can enter more than one filename, 
	like "SPEED.COM;SPEED.ASM" or "SPEED.*;MORERAM.*", etc. 
	You must have MINITEL or TELINK to use this.
TC	Same as above, only CRC mode.

X	XMODEM protocol. Any type of file. You must have a compatible 
	program.
XC	As above, except CRC mode.

M	MODEM7, or batch. Any type of file. You must have MODEM7 or a 
	similar program.
MC	Same as MODEM7, except uses CRC mode.