> For the complete documentation index, see [llms.txt](https://help.iodd.kr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.iodd.kr/display-status-bar.md).

# Display/Status Bar

The IODD screen shows the current device state, mounted virtual drive information, write-protection status, AES256 encryption status, and USB connection speed. Use this guide to identify each status bar icon on ST400, MINI PRO, ST300, and related IODD models.

<figure><img src="/files/CpTZxQpU3L4p9GGBmfG0" alt="IODD Main Display"><figcaption><p>Main Display Overview</p></figcaption></figure>

## Status Bar

The status bar at the top of the screen shows the current operational state of the device.

<figure><img src="/files/2KUbbpnH9WGxFpR1rHHM" alt="Status Bar Indicator"><figcaption></figcaption></figure>

|                                           Icons                                          | Description                                                              |
| :--------------------------------------------------------------------------------------: | ------------------------------------------------------------------------ |
|                ![Physical write-protect icon](/files/3gaV99nXqN5rTVZCGPg2)               | Physical drive **Write-Protect** status (Enable/Disable).                |
|                 ![Global write-protect icon](/files/3cnOT4RxHhZztLJCfYOO)                | **Global Write-Protect** (Protects all disks, including virtual drives). |
|                   ![ISO mount status icon](/files/KkwRabKAG0WT4F1i0YKP)                  | **Mount / Unmount** status of the ISO file.                              |
|   <img src="/files/JrFYLONROkPkHbMblcqY" alt="IODD mode status icon" data-size="line">   | **Mode Status** (CD-ROM / Dual / HDD).                                   |
|                     ![Power status icon](/files/74cBoE5uLy1L8RTIKVTv)                    | **Power Status** (Timer / Sleep mode).                                   |
|               ![AES256 encryption active icon](/files/J9fHTCPHTp34hgP88drt)              | **AES256 Encryption** is active (On).                                    |
| <img src="/files/bgNbRzwDXYVKU1S2UOdn" alt="USB connection speed icon" data-size="line"> | **USB Connection Speed** (3.0 / 2.0 / 1.1).                              |

***

## Virtual Drive Indicators

This section displays information about the currently mounted virtual media.

<figure><img src="/files/caXsCgGBO4EC6twWWcWU" alt="Virtual Drive Information"><figcaption></figcaption></figure>

|                                         Icons                                         | Description                                              |
| :-----------------------------------------------------------------------------------: | -------------------------------------------------------- |
| <img src="/files/RPmzcO6BgqGx57F9e6Jz" alt="Mounted file name icon" data-size="line"> | Name of the **mounted file** (ISO / VHD / RMD).          |
|                ![Virtual drive type icon](/files/4UQ9LsVH1BjddjAZxeNC)                | Type of the virtual drive (**Removable** or **Fixed**).  |
|            ![Virtual drive write-protect icon](/files/0ITWXZEdboBKdrWMzV2x)           | **Write-Protect** status for virtual drives (VHD / RMD). |

***

## File/Drive List

<figure><img src="/files/s20P2Gc9FvWbmetWYJlv" alt="File List View"><figcaption></figcaption></figure>

* Displays folders and compatible files in the currently selected directory.
* **To use a different partition:**
  1. Unmount all active virtual drives.
  2. Press and hold the **`4`** key for **3 seconds**.
  3. Select the desired partition from the **\[Partition Selection]** menu.

## Help Menu

* Users can access context-sensitive help at any time by pressing the **`0`** key on most screens or items.