PC connection via infrared port 2.6 PC connection via infrared port IQ Force instruments can download data to a PC using BioTrak or IQ software through the IQ Force’s infrared port. For the location of the infrared port, seethe illustration below. With the IQ Force turned off, hold the MODE button down until four beeps are heard. Depending on the software version, this will normally take between 3 or 4 seconds. PC Connect will be shown once the infrared port has been activated. Align the infrared port on the IQ Force with the PC’s infrared port to complete the connection.