The basic way to calculate your maximum heart rate is to subtract your age from 220. For example, if you're 45 years old, subtract 45 from 220 to get a maximum heart rate of 175.
If you have an eighth-inch jack, all you've got to do is plug it into this port and start testing sound. 1  If you have a USB jack on the end of your microphone, most computers will have two or more USB ports on the side, or the back of the computer. 2  Simply plug the USB jack into one of these ports.
Connecting devices to the computer. The computer has an HDMI-in port and an audio-out/audio-in jack on the left side of the monitor. Connecting to an HDMI device. Connect an HDMI device to your computer with an HDMI cable or a micro-HDMI to HDMI cable.Cables can be purchased at most stores that sell electronics.nsert the other end of the HDMI cable into the HDMI-in port on the computer, located on the lower-left side of the monitor. Figure: The HDMI-in port. Press the HDMI IN button, which is located on the underside of the lower-left corner of the monitor.