7Infra Red (IR) Remote Controller functions:Power: Press the button to shut down/turn on theclock.Menu: Press the button to enter the setting menuof the current display mode.Mute: Press for mute the buzzer.Mode: Press the button to switch the time displayeffects.Return [<-']: Press the button to return the [Timedisplay mode] directly.[+]: Press to change values in ascending order.[-]: Press to change values in descending order.Previous [>>|]: Press the button to go back to theprevious menu.Next [|<<]: Press the button to go to the next menu.PLAY [>||]: Press the button to switch the LED inOff/Pause/Off modes.OK: Press the button to switch the LED color.[0~9]: Press the buttons to change the valuesdirectly.Tips:Any IR keys can turn on the nixie clock for about3 seconds when the clock is on the soft power offmode;If you are trying to use the remote control for thefirst time, unplug the plastic film in the batterycase.If there is no battery included, place a CR2025 battery by yourself, and make surethe battery is placed at the right polarity according to the marking on the batteryholder.Make sure the batteries in the remote control are fresh.*To insert the battery into the remote control, follow the instructions printed onthe back side of the remote control.