The Gemel Txshs features a tri-color LED near the power port: | Color | Pattern | Meaning | | :--- | :--- | :--- | | | Solid | Normal operation, idle | | Cyan | Breathing | Data transmission active | | Orange | 3 flashes, pause | Firmware update available | | Red | Solid | Critical hardware fault (see Chapter 7) | | Magenta | Fast blink | Pairing mode active |
⚠️ WARNING: Do not apply power before connecting ground. Maximum input: 24 VDC, 1.5A.