<li><b>Factory reset</b>. If the reset button is pressed for at least 5 seconds (by default), the device will perform a factory reset and reboot. Signal strength LEDs indicate the elapsed time while holding the reset button. When all {{#ifeq: {{{series}}} | TRB2xx | 3 | 5}} LEDs light up, it indicates that 5 seconds have passed and the reset button can be released. Start of the factory reset will be indicated by flashing of all {{#ifeq: {{{series}}} | TRB2xx | 3 signal strength LEDs. | 5 together with a red connection status LED.}}<br><b>NOTE</b>: the default button hold time value (5 seconds) can be changed in the {{#switch: {{{series}} | <li><b>Factory reset</b>. If the reset button is pressed for at least 5 seconds (by default), the device will perform a factory reset and reboot. Signal strength LEDs indicate the elapsed time while holding the reset button. When all {{#ifeq: {{{series}}} | TRB2xx | 3 | 5}} LEDs light up, it indicates that 5 seconds have passed and the reset button can be released. Start of the factory reset will be indicated by flashing of all {{#ifeq: {{{series}}} | TRB2xx | 3 signal strength LEDs. | 5 together with a red connection status LED.}}<br><b>NOTE</b>: the default button hold time value (5 seconds) can be changed in the {{#switch: {{{series}} |