PIC24FJ256GB210 RA10 using as input (tailwind)

Hi on the PIC24FJ256GB210 I Have set the TRISAbits.TRISA9 = 1; //sets SW1 (VREF-/PMA7/CN41/RA9) to input TRISAbits.TRISA10 = 1; //sets SW2 (VREF+/PMA6/CN42/RA10) to inputBut they seem to not be working i am using the PORTAbits.RA9 and PORTAbits.RA10 to a..