Function            CompaqExternalMonitorType - Get external monitor
                                                    type

  Syntax              unsigned char CompaqExternalMonitorType(void);

  Prototype in        video.h

  Remarks             determines the external monitor type on a Compaq
                      Portable.

  Return value        returns the external monitor type as follows:

                           0x00 - none
                           0x01 - dual-mode monitor
                           0x02 - 5153 RGB monitor
                           0x03 - Compaq Color monitor
                           0x04 - 640x400 flat panel

  Note                This function should ONLY be used on a Compaq
                      Portable or unpredictable results may occur.

  See also            CompaqGetMonitor(), CompaqGetMasterMode(),
                      CompaqInternalMonitorType(),
                      CompaqModeSwitchDelay(), CompaqSelectMonitor(),
                      CompaqSetMasterMode()