TDS640__ArmAcquire (ul_pbar_instruments)

 *  Synopsis:
 *    #include <ul_pbar_instruments:tds640.h>
 *
 *    int TDS640__ArmAcquire(  const CTDS640ptr tds640Ptr )
 *
 *  Function intent:
 *    TDS640__ArmAcquire() arms TDS 640 data acquisition by placing the
 *    oscilloscope in sample mode - single sequence, and then issuing a
 *    run command.
 *  Function parameters:
 *    CTDS640ptr		tds640Ptr	Valid TDS 640 module pointer
 *  Function return value:
 *    CBS_OK		Setup was successful
 *    CLIB_GENERR	Unable to write TDS 640 command(s) 
 *    CLIB_INVALID_DATA	TDS 640 status error after GPIB command