RD-700NX: How to Display the Current RD-700NX Operating System Version Number
Use the following procedure to display the current RD-700NX operating system software version number.
1. While holding down V-LINK button, turn the RD-700NX on—the display shows the version number of the installed operating system.
2. Turn the RD-700NX off and back on again to return to normal operation.