Press OK button for 5 seconds to enter manual mode and I1 (Input) LED will start to blink. By right and left buttons, you can move the cursor between Outputs. Once you press OK button you will toggle the status of selected Output. To exit from manual mode, again press OK button for 5 seconds and LED will stop blinking.
Disconnect device power. Push and hold the reset button which is on the right bottom corner of the device while powering up the NIO8. All LEDs on NIO8 will blink 3 times and your device will reset to factory settings.
Caution: While formatting output relay and input state automatically will be switched to Normally Open (NO) state.