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[[ | [[File:Bootloader.gif||right||Bootloader mode indication]] | ||
The device enters bootloader mode if: | The device enters bootloader mode if: | ||
* the device has the correct firmware — the first 2 seconds after power on, the device operates in bootloader mode; | * the device has the correct firmware — the first 2 seconds after power on, the device operates in bootloader mode; | ||
* the device does not have the correct firmware (for example, there was a failure when updating the firmware) — in this case, the bootloader mode is constantly active; | * the device does not have the correct firmware (for example, there was a failure when updating the firmware) — in this case, the bootloader mode is constantly active; | ||
* when the main program in the holding-register 129 (0x81) was recorded 1 — in this case, the device is rebooted and remains in bootloader mode for 120 seconds. | * when the main program in the holding-register 129 (0x81) was recorded 1 — in this case, the device is rebooted and remains in bootloader mode for 120 seconds. |
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