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Update DTR settings instructions for Windows users #495

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Update DTR settings instructions for Windows users #495

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4 changes: 2 additions & 2 deletions docs/software/mavlink.md
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Expand Up @@ -186,7 +186,7 @@ If you are on Windows, QGroundControl requires a recent daily build to support t
- **macOS**: ⬜ Leave the `Force DTR Low` checkbox **unchecked**

!!! danger "Windows Users: DTR MUST Be Low"
On Windows, you **must** enable "Force DTR Low" or the connection will fail and your TX module will reboot / lockup. This is due to how Windows handles serial port control signals with ESP32 hardware. This setting is a recent addition to QGC which is why the daily builds are suggested.
On Windows, if you use QGC, you **must** enable "Force DTR Low" or the connection will fail and your TX module will reboot / lockup. This is due to how Windows handles serial port control signals with ESP32 hardware. This setting is a recent addition to QGC which is why the daily builds are suggested. If you're using a custom approach, also make sure you disable the RTS in the serial port communication, unless it will reboot / lockup the TX module.

1. **Save and Connect**:
- Click **OK** to save the comm link
Expand Down Expand Up @@ -351,4 +351,4 @@ When using WiFi forwarding through the TX Backpack, the Backpack tracks addition
- **Dropped packets**: Number of messages with sequence number gaps (indicates RF link issues)
- **Buffer overflows**: Number of times the 16-message buffer filled up (indicates too much telemetry for available bandwidth)

These statistics help diagnose performance issues.
These statistics help diagnose performance issues.