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Created : 09/08/2005, V1.00
Object  : quick help for using ATC4, Adeunis terminal

ATC4 is a DOS16 based terminal, It must be run under DOS or in a windows command
interpreter (syntax ATC4 or ATC4 /? for help).
This terminal basically allows :
- to open/configurate a COM port (range 1-4) (Virtual COM port are not suported)
- to send/receive characters or file
- to send AT or serial command to most Adeunis Modem/transceiver (ARF33, ARF34
  ARF35...). Press the F1 hot key for accessing the serial command and then
  type the requested key...
- When launched, a contextual quick help is available by pressing SHIFT + F1 keys


Known issue :
- Serial command requires that there is no delay between each character
belonging to the same command. Such delay is detected (by the modem) as a
silence ; this silence stands for a command terminator and therefore starts the
 command interpretation (in such a case only the already received characters
 are interpreted, the remaining character are not, the command should be
 mis-understood)

=> Several way for avoiding this :
   - run the terminal in a real DOS
   - In windows environnement, close all the other programs
   - In windows environnement, assert the 'real time priority' to the command
     processus linked to the command interpreter windows (use the task manager)