# Other mode-independent events

There are three categories of mode-independent events left:

1. **Device state change events** 
2. **Downlink-related events** 
3. **Miscellaneous events**, you can find the list **below** (WiFi debug events missing on purpose):<br>

| **Hex** | **Event name**   | **Additional information**                                                                                                 |
| ------- | ---------------- | -------------------------------------------------------------------------------------------------------------------------- |
| 0x7E    | Alert 1202       | <p>TX FIFO Full - some messages were lost, internal storage<br>overwhelmed by number of messages awaiting transmission</p> |
| 0x7F    | Battery low      | Battery below a certain voltage (rarely encountered)                                                                       |
| 0x81    | Extra long press | Button press 6+ seconds, default way to request downlink                                                                   |
| 0x86    | Device reset     | Followed by a mask byte, find more in the API 6 table                                                                      |
| 0x88    | RCZ changed      | Sent when RCZ successfully changes (Monarch)                                                                               |
| 0xFC    | MAC readout      | Followed by a MAC pointer and the MAC address itself                                                                       |
| 0xFE    | Register readout | Followed by up to 5 register pointers and their current values                                                             |


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