Updated Readme

README.md

@@ -16,13 +16,26 @@ in Programmer Mode `D ^XV`
 This command both starts VPE and installs it for the first time if it is not
 already installed.
 
-VPE does not rely on VISTA or RPMS being installed. You can use a lot of its functionality without VISTA or RPMS. Anything Fileman related will not work if Fileman isn't installed.
+VPE does not rely on VISTA or RPMS being installed. You can use a lot of its
+functionality without VISTA or RPMS. Anything Fileman related will not work if
+Fileman isn't installed.
 
-## Using VPE
-To enter VPE, type `D ^XV`. The VPE manual can be found here: http://www.pioneerdatasys.com/hardhats/VPEUSER.pdf.
+## Using VPE (Brief User Manual)
+To enter VPE, type `D ^XV`.  An online manual can be
+found by just typing '?' when at the '>>' VPE prompt. 
+
+VPE has its own CHUI Windowing system. To get out of any windows, type 'ESC',
+'ESC'... that is, two escapes in a row. That's the only shortcut key you really
+need to remember.
+
+The VPE manual can be found here:
+http://www.pioneerdatasys.com/hardhats/VPEUSER.pdf. Since the original VPE
+manual has been written, VPE has been moved to XVEM from %ZVEM or ZVEM.
+Therefore, any references to %ZVEM or ZVEM should be changed to XVEM.
 
 ## Changes
-The entire change history from version 9 to the current version can be found [here](Changes.md).
+The entire change history from version 9 to the current version can be found
+[here](Changes.md).
 
 ## License
 The VPE is now licensed under Apache 2.0. See [LICNESE](LICENSE) for more details.