--- id: buttons title: Buttons sidebar_label: Buttons sidebar_position: 3 --- A number of devices have buttons that can be used to interact with the firmware. These buttons have a number of different functions: - Reset button - This is present on most devices. - Power button - This is present on some devices. A long press powers the device off or turns it back on again. - Program button - This is present of some devices and has a number of functions: - Single press - This changes the page of information displayed on the screen. - Double press - This sets the Bluetooth pairing code to `123456` (useful if you do not have a screen on the device). - Long press - This adjusts the contrast of the screen. - Long press during reboot - This turns on the software WiFi access point on devices that support WiFi.