# 3.2.3.8 Serial Parameter Settings
**3.2.3.8 Serial Parameter Settings**
This section enables you to customize parameters associated with the serial interface.
To access the power settings in the AeroGCS Config, simply navigate to the "**RPA** **Settings**" and select the "**Serial** **Param**" section.
The interface for configuring serial parameters will appear as depicted in the following screen:
To establish communication effectively, it's crucial to select the appropriate serial port along with the correct baud rate and communication protocol. In this section, users can configure these vital parameters. The available configuration options are as follows:
**Serial** 0: Configure baud rate and communication protocol for the console.
**Serial** 1: Configure baud rate and protocol for Telemetry 1.
**Serial** 2: Configure baud rate and protocol for Telemetry 2.
**Serial** 3: Configure baud rate and protocol for GPS.
**Serial** 4: Configure baud rate and protocol for Serial 4.
**Serial** 5: Configure baud rate and protocol for Serial 5.
**Serial** 6: Configure baud rate and protocol for Serial 6.
**Baud** **Rate**: Adjust the data transfer speed for the serial port.
**Protocol**: Define the data transfer protocol.
**Steps to configure serial parameters:**
1. Choose the appropriate baud rate from the dropdown menu.
2. Select the suitable communication protocol from the provided dropdown menu.
3. Once you've made your selections for both baud rate and communication protocol, proceed to the next step.
As shown in the following figure
1. To apply these settings and update the data, click on the "Update" button.
Update Serial Parameter
This will display the “Parameter sent to device message” on the screen.
The device will receive and store all the specified parameters, enabling it to respond accordingly.
This completes your serial parameter settings in RPA Configuration.
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