# F10 Test Parameter Configuration

In this dialog you can do several things:

* set the maximum runtime your your test run
* set the minimum and maximum temperature of your temperature sensor(s)
* set the minimum, maximum and nominal voltage of your power supply/ies
* defined TCC <> operation mode mappings
* set operation mode parameters

All those settings are provided per [test group](/ltt/documentation/ltt-gui-manual/lttgui/dialogs/f3projectwizard/testgroupsconfiguration.md).

{% hint style="info" %}
You first need to define one or more test groups in [project wizard](/ltt/documentation/ltt-gui-manual/lttgui/dialogs/f3projectwizard.md) before you can use this dialog.
{% endhint %}

![F10 Dialog](/files/W3Hox1p1Har53IUfpjgS)

**Runtime**

When a test station reaches the runtime you entered here it will automatically stop.

**Temperature and voltage limits**

A test station will stop with a [system error](/ltt/documentation/ltt-gui-manual/lttgui/systemerrors.md) if one of those limits are violated.

* Read more about operation mode mappings
* Read more about operation mode parameters

[go to initial setup guide](/ltt/documentation/ltt-gui-manual/gettingstarted/initial-setup-guide.md#SETUP_GUIDE)


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