> For the complete documentation index, see [llms.txt](https://wecon.gitbook.io/pistudio-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wecon.gitbook.io/pistudio-manual/5.-project-settings/5.4-extend.md).

# 5.4 Extend

## 5.4.1 Into setup

**Introduction**

\[Into setup] provides entering ways of the HMI setup interface and encrypting the setup screen;

**Operating procedure of setting into setup way**

1. Open \[Project setting] windows;
2. Open \[extend] sub-windows;
3. Select \[Startup] or \[Running];
4. Set \[Time];

![](https://3950998874-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2Fpi-series-user-manual%2F-Luq2DhB21wksUIkrXW2%2F-Luq2V3xOY1o9yuYjMzt%2F0.png?generation=1575012401985696\&alt=media)

**Result**

1\) If select \[Startup] mode, and the \[Time] is 5 seconds

* When HMI is starting, holding press the top right corner of screen;
* Keep press 5 seconds;
* HMI will display setup screen;

2\) If select \[Running] mode, and the \[Time] is 5 seconds

* When HMI is running, holding press the top right corner of screen;
* Keep press 5 seconds;
* HMI will display setup screen;

**Operating procedure of encrypting the setup**

1. Open \[Project setting] windows;
2. Open \[extend] sub-windows;
3. Set password

**Result**

Password is required during entering the setup screen;

## 5.4.2 Special expansion

**Introduction**

\[Special expansion] is for extending audio play and camera input functions for special HMI models;

![](https://3950998874-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2Fpi-series-user-manual%2F-Luq2DhB21wksUIkrXW2%2F-Luq2V3yxeH1MWxlAei9%2F1.png?generation=1575012401987110\&alt=media)

**Operating procedure**

1. Open \[Project setting] windows;
2. Open \[extend] sub-windows;
3. Check function;
4. Click \[Set] button to open setting screen;
5. Do configuration for function;
6. Click \[OK] to save and exist;

**Result**

Enable audio play function and camera function in HMI project;

✎**Note:**

Those two functions are not available for all HMIs, only special HMI models could support them;

The details of function settings please refer to [Advanced functions](/pistudio-manual/10.-advanced-functions.md);

## 5.4.3 Input device

**Introduction**

\[Input device] is used for enable input devices, like keyboard and mouse.

![](https://3950998874-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2Fpi-series-user-manual%2F-Luq2DhB21wksUIkrXW2%2F-Luq2V3zIkBwMJYznMjE%2F2.png?generation=1575012402000859\&alt=media)

**Operating procedure**

1. Open \[Project setting] windows;
2. Open \[extend] sub-windows;
3. Check \[Enable keyboard] and \[Display cursor]
4. Click \[OK] to save and exist;

**Result**

The arrow will be display in screen when HMI is running, and keyboard could be used to enter code and control arrow;