Not true.  There are both low pressure and high pressure compressor cutoffs.
If all the freon leaks out, the compressor will not run.

In reference to your message:

 >From vanagon@lenti.med.umn.edu  Fri Mar 28 17:34:26 1997
 >Date: Fri, 28 Mar 1997 11:40:56 -0600
 >From: "Michael A. Radtke" <m.radtke@az05.bull.com>
 >To: Multiple recipients of list <vanagon@lenti.med.umn.edu>
 >Subject: RE: AC Question
 >
 >Nate El Great,
 >
 >Get a new mechanic.  The compressor has no dependency on the state of charge at AC startup time.
 >
 >Mike
 >

\\\\////\\\\////\\\\\////\\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\
Frank Terhaar-Yonkers
Cisco Systems, Inc.
Engineering Services, W2 F3 5
7025 Kit Creek Road  PO Box 14987
Research Triangle Park,  North Carolina  27709
fty@cisco.com   voice (919)472-2101   FAX (919)472-2940
pager (800)796-7363 pin 1008366 -or- fty@airnote.net