1Press the MODE button to open up the dive modes menu.
2The computer will perform a quick self-check and then start dive air mode. To change the display readout in the bottom left corner to max-depth, press the DOWN button
3Press the DOWN button again, to change the display readout in the bottom left corner to time.
4Press the UP button to change the display readout in the bottom right corner to temperature.
5Press and hold the MODE button for 2 seconds to turn on the backlight.
