# Service

**mDNS Hostname**

* Default value is elan.
* Allows accessing the device via browser at elan.local instead of IP 192.168.1.1.
* Hostname can be changed (e.g., elan1.local).

**WIFI (AP)**

* View and change access point SSID and password.

**WIFI Client**

* Configure eLAN connection to home WiFi.
* Scan available networks.
* Option to set static IP to avoid IP changes.

**Date & Time**

* Set date and time.
* Default mode uses internet time (NTP).

**Firmware Update**

* Upload new firmware.
* Firmware available at elkoep.cz or elkoep.com.

**Backup and Restore**

* Create backup of current configuration.
* Restore backup from file.

**eLAN Reset**

* Delete configuration except WiFi.
* Factory reset deletes all settings including WiFi.

**eLAN Restart**

* Restart device without losing configuration.

**System Information**

* View diagnostic and service information including RF config.

**Web Remote Control**

* Remote service access via one-time token.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

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

```
GET https://wiki.inels.com/inels-home/inels-wireless/devices/system-units/elan-204/service.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

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.