# Use Network Self-Test

1. **Navigating to Merchant Self Test**
   * Go to: Settings > About POS > POS Configuration > Merchant Self Test.
2. **Accessing Advanced Tools**
   * Within the Merchant Self Test menu, select "Advance" to view advanced options.
3. **Using PingTool and TcpTool**

   * **PingTool:** Select this tool to ping any network address. It helps in testing network connectivity and response times.

   <div align="left"><figure><img src="/files/9skmtcQphLjEdztIKNUe" alt=""><figcaption></figcaption></figure></div>

   * **TCPTool:**&#x20;

   <div align="left"><figure><img src="/files/8nRWncMRZGT4MrYVgYrw" alt="" width="360"><figcaption></figcaption></figure></div>


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.