> 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 IODD display and status bar icon guide for mounted ISO, VHD, write-protection, encryption, and USB speed indicators. 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.
IODD Main Display

Main Display Overview

## Status Bar The status bar at the top of the screen shows the current operational state of the device.
Status Bar Indicator
| Icons | Description | | :----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------: | ------------------------------------------------------------------------ | | ![Physical write-protect icon](https://3026209848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhmDmKL86eZmYvioTSXe5%2Fuploads%2Fh0OsdjwVV6ngHtKis733%2Fimage.png?alt=media\&token=d613dace-8a3e-48a7-aa71-c5b1e5f5a37f) | Physical drive **Write-Protect** status (Enable/Disable). | | ![Global write-protect icon](https://3026209848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhmDmKL86eZmYvioTSXe5%2Fuploads%2FBAq2tPYtcGWabTm8Tyum%2Fimage.png?alt=media\&token=78c69a4d-544e-4e25-822a-41e0006cf448) | **Global Write-Protect** (Protects all disks, including virtual drives). | | ![ISO mount status icon](https://3026209848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhmDmKL86eZmYvioTSXe5%2Fuploads%2FrnGMQ6Tg5KxjZSZ1PA06%2Fimage.png?alt=media\&token=9ee20f09-2345-4d5b-a6b3-2198bf56fba8) | **Mount / Unmount** status of the ISO file. | | IODD mode status icon | **Mode Status** (CD-ROM / Dual / HDD). | | ![Power status icon](https://3026209848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhmDmKL86eZmYvioTSXe5%2Fuploads%2FawM9cOTlc1sbgT4FlPtv%2Fimage.png?alt=media\&token=ed891691-c4ce-4729-85b6-a48357eb1d97) | **Power Status** (Timer / Sleep mode). | | ![AES256 encryption active icon](https://3026209848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhmDmKL86eZmYvioTSXe5%2Fuploads%2F7dJtSjnPw3ZteV5phnwv%2Fimage.png?alt=media\&token=15f3f182-3c82-478b-aa4b-aa2c48373b24) | **AES256 Encryption** is active (On). | | USB connection speed icon | **USB Connection Speed** (3.0 / 2.0 / 1.1). | *** ## Virtual Drive Indicators This section displays information about the currently mounted virtual media.
Virtual Drive Information
| Icons | Description | | :-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------: | -------------------------------------------------------- | | Mounted file name icon | Name of the **mounted file** (ISO / VHD / RMD). | | ![Virtual drive type icon](https://3026209848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhmDmKL86eZmYvioTSXe5%2Fuploads%2FqtUqh4FeoNneABTnGYdl%2Fimage.png?alt=media\&token=04d9987a-0120-4bc4-8abf-a5987b972f17) | Type of the virtual drive (**Removable** or **Fixed**). | | ![Virtual drive write-protect icon](https://3026209848-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhmDmKL86eZmYvioTSXe5%2Fuploads%2FQEXQF5GUUrdxw15iZez1%2Fimage.png?alt=media\&token=139f4793-9b2a-46ad-a52f-5a2f2732065f) | **Write-Protect** status for virtual drives (VHD / RMD). | *** ## File/Drive List
File List View
* 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.