Suunto DX can be used together with Suunto Wireless Tank Pressure Transmitter for wireless transmission of tank pressure to the dive computer.
You may also connect this dive computer to a PC or Mac with the supplied USB cable and use Suunto DM5 to modify device settings, plan dives, as well as update the dive computer software.
Do not use this dive computer with any unauthorized accessories or equipment not authorized or officially supported by Suunto.