virtual void ExecModes( int newDesignate, int newDrop );
        virtual void UpdateState( int cursorXCmd, int cursorYCmd );
        virtual SimObjectType* Exec( SimObjectType* targetList );
        virtual void Display( VirtualDisplay* activeDisplay );

        // State control functions
        virtual void SetEmitting( BOOL )                { isEmitting = isOn; };         // Simple Radar is always active while powered
        virtual void PushButton (int idx, int mfd = 0);
        virtual void RangeStep( int cmd )                       { wantRange = (cmd>0) ? rangeNM*2.0f: rangeNM*0.5f; };

        virtual void NextTarget( void )                         { wantLock = NEXT; };
        virtual void PrevTarget( void )                         { wantLock = PREV; };

        virtual void DefaultAAMode( void )                      { wantMode = AA; };
        virtual void StepAAmode( void )                         { wantMode = AA; };
        virtual void SelectACMBore()                            { wantLock = BORE; };
        virtual void SetSRMOverride();
        virtual void SetMRMOverride();
        virtual void ClearOverride();

        virtual void    DefaultAGMode( void )           { wantMode = GM; };
        virtual void    StepAGmode( void )                      { wantMode = GM; };

        virtual float   GetRange (void) {return rangeNM;};
        virtual void    GetCursorPosition (float* xPos, float* yPos) {*xPos = cursorY * rangeNM; *yPos = cursorX * rangeNM;};
        virtual void    GetAGCenter (float* x, float* y);
        virtual int             IsAG (void) { return mode == GM ? TRUE : FALSE;};
   virtual void SetMode (RadarMode cmd);

  protected:
        float                   rangeNM;                        // How far are we looking in NM
        float                   rangeFT;                        // How far are we looking in FT for convienience
        float                   invRangeFT;                     // 1/how far we're looking for convienience

        float                   prevRange;                      // Indicate where we were before AA override

        typedef enum { NOCHANGE=0, AUTO, CURSOR, BORE, NEXT, PREV }     LockCommand;
        LockCommand             lockCmd;                        // Current desired target lock operation

        float                   cursorX;                        // radar cursor location in normalized display space
        float                   cursorY;                        // (ie:  -1.0 to 1.0)
        enum {CursorMoving = 0x1};
        int flags;

  protected:
        // Command queues -- These store commands until we're able to process them
        float           wantRange;
        RadarMode       wantMode;
        LockCommand     wantLock;

  protected:
        void    ExecAA( void );
        void    ExecAG( void );

        void NewRange( float rangeInNM );
        BOOL InAALockZone( SimObjectType *object, float x, float y );
        BOOL InAGLockZone( float cosATA, float x, float y );
        float CursorDelta( float x, float y );

        void DrawCursor( void );
        void DrawBullseyeData(void);
        void DrawButtons(void);
        void DisplayAATargets( float scaledSinYaw, float scaledCosYaw );
        void DisplayAGTargets( float scaledSinYaw, float scaledCosYaw );