28Data transmission from the instrument to the PC can be done with HI 92000Windows® compatible software (optional). The HI 92000 also offers graphingand on-line help.Data can also be exported to the most popular spreadsheet programs forfurther analysis.To connect your instrument to a PC, use the optional Hanna HI 920010 cable.Make sure that your instrument is switched off and plug one end into theinstrument’s RS232 socket and the other end into the serial port of your PC.Note: Cables other than HI 920010 may use a different configuration, inwhich case communication between the instrument and the PC maynot be possible.If you are not using optional Hanna HI 92000 software, please see thefollowing instructions.The Command Prefix must be 16 when using HI 92000 software.SENDING COMMANDS FROM PCIt is also possible to remotely control the instrument with any terminal pro-gram. Use the optional Hanna HI 920010 cable to connect the instrument toa PC, start the terminal program and set the communication options asfollows: 8, N, 1, no flow control.COMMAND TYPESTo send a command to the pH meter the scheme is: > where: is a selectable ASCII characterbetween 0 and 47 (default 16). is the command code (3 characters).Note: Either small or capital letters can be used.Note: Press the CAL key to leave the calibration mode at any time.If the measured value is not close to the calibration point, the “WRONG“tag will start to blink. In this case, check if the value set on thesimulator is the same as the calibration value on the instrument. Setthe proper value on the simulator.PC INTERFACE