## MMPM/2 Device Driver Reference

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### VCAI_TUNERCHANNEL (69h) - Pointer to structure

Pointer to structure The data packet parameter is a pointer to the following structure.

    typedef struct _VCATUNCHAN {
      ULONG        ulFlags;
      ULONG        ulOptions;
      USHORT       usResv01;
      USHORT       usResv02;
      LONG         lFineTune;
      ULONG        ulFrequency;
    } VCATUNCHAN;

    typedef   VCATUNCHAN   FAR   *   PVCATUNCHAN ;