> For the complete documentation index, see [llms.txt](https://docs.holoplot.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.holoplot.com/holoplot-control/operating-the-system/switching-presets-and-environmental-conditions.md).
# Switching presets and environmental conditions
On this page you will learn how and when to apply environmental conditions and switch presets.
On this page, you will learn how and when to apply environmental conditions and switch presets.
The Navigation Bar gives information on the currently active preset and environmental conditions.
Active preset and environmental conditions
The Control Panel, accessible from any section within HOLOPLOT Control, allows you to perform preset switching and adjust environmental conditions.
{% hint style="warning" %}
Audio may glitch while switching presets or environmental conditions. It is recommended to wait between scenes to make the switch.
{% endhint %}
### Switch presets
Select the desired preset on the list on the **Control Pane**l to immediately switch presets or use the search functionality to quickly find any preset.
Preset switching from the Control Panel
### Environmental conditions
Apply and Save Environmental Conditions
It shows the current environmental conditions for all the beams making up the preset. There are two ways of adjusting the environmental conditions of beams in the currently selected preset:
1. Input the desired values for temperature (°C), humidity (%), and atmospheric pressure (hPa). HOLOPLOT Control accepts decimal points with a comma (,) or a period (.).
2. Depending on when you want to apply the values, you can:
* Click **Apply** to use the newly input environmental conditions immediately.
* Click **Save** to use the newly input environmental conditions on the subsequent preset switching.
---
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