This article describes the tray applications available in IGEL OS 12. You can open the tray apps by clicking the icons in the system tray.
The icons change dynamically to represent the current setup or status. If you hover over the icons, tooltips are displayed with further information.
By default, the system tray and all the tray apps are available. You can configure the system tray and the tray apps under User Interface > Desktop > Taskbar Items. For details, see Taskbar Items in IGEL OS 12.
The access to tray apps on lockscreen is configured separately under User Interface > Desktop > Screenlock / Screensaver > Taskbar. For details, see Taskbar in Locked Screen in IGEL OS 12
The following tray apps are described in detail:
Taskbar Icon | Link to Section |
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Sound Tray App
→ Open the sound tray app by clicking the following icons: 
When the devices are muted the icons change accordingly to: 
You can do the following in the tray app:
→ Use the dropdown menu to select which output/input device is to be used.
→ Set the volume for the selected output/input device.
→ Enable/disable overamplification. If the overamplification parameters are set under Devices > Audio > Options, you cannot change the setting from the tray app.
→ Use the Mute All button to mute all the output devices.
Display Tray App
→ Open the display tray app by clicking the tray icon: 
The icon is dynamic in multi monitor environments and represents the configured Multiple Display Mode.
The basic window opens with different content for single display and multiple display setups.
Basic Window - Single Display
Here, you have the following options:
→ Click the info icon to display device information.
→ Set Orientation, Resolution and Refresh rate for the single display.
After clicking Apply, you need to confirm keeping the changes in a dialog. After the timeout, settings revert to the previous configuration.
Basic Window - Multiple Display
Here, you have the following options:
→ Click the You have X connected displays or the Custom Configuration button to open the display configuration window.
Display information is always available in the display configuration window, but configuration is only possible if Custom display mode is applied.
→ Select the Multiple Display Mode:
Custom
You can configure your displays in the display configuration window.Mirror
The content is mirrored to all displays.Internal only
The internal display will become the primary display. External displays get deactivated.External only
One of the external display will become the primary display. The internal display gets deactivated.
After clicking Apply, you need to confirm keeping the changes in a dialog. After the timeout, settings revert to the previous configuration.
Display Configuration Window
Display information is always available in the display configuration window, but configuration is only possible if Custom display mode is applied in the basic window. You can see the selected mode in the bottom left corner.
Here, you have the following options:
→ You can click Reset to restore the last saved configurations.
After clicking Apply, you need to confirm keeping the changes in a dialog. After the timeout, settings revert to the previous configuration.
→ You can click the info icon to display information on Hardware Limitations for the device. This information is needed for the configuration, because you cannot create display layouts which exceed the given maximum resolution or number of connected displays.
→ Click the question mark icon to display the Keyboard shortcuts that you can use for display configuration.
Left Hand Panel
→ Select a display from the dropdown at the top, or by clicking the display in the Layout Area, to configure the display and to see the details of the selected display at the bottom of the panel.
You can also select by typing the display identification number shown in the Layout Area.
You can use the parameters to configure the following:
Orientation
Resolution
Refresh rate
Primary toggle
Activate if you would like to make the selected display the primary display. The primary display is marked with a house icon. Only one display can be primary; if a display is marked as primary, the existing primary becomes non-primary.Active toggle
Use the toggle to activate/deactivate the selected display. You cannot deactivate all the displays, at least one display must remain active.
Drag and Drop Panel
Here you can:
Select a display by clicking on it.
Edit the layout of the displays by drag and drop.
Deactivate displays by moving them to the Inactive Displays row.
Activate displays by moving from Inactive Displays to the Layout Area.
Create mirror groups by moving displays together in the Mirror with row.
Unmirror displays by moving from Mirror Group row to Layout Area.
Mouse & Touchpad Tray App
→ Open the tray app by clicking the tray icon.
The icon is dynamic and represents the detected device. If a mouse is detected, the following icon is shown: 
If a touchpad is detected, or both a mouse and a touchpad are detected, the following icon is shown: 
Configuring the Mouse in the Mouse & Touchpad Tray App
You can use the mouse & touchpad tray app to configure the following mouse settings for the detected device:
Configuring the Touchpad in the Mouse & Touchpad Tray App
You can use the mouse & touchpad tray app to configure the following touchpad settings for the detected device:
Mobile Broadband Tray App
→ Open the tray app by clicking the mobile broadband tray icon. The tray icon is dynamic and represents the state of the connection:
MBB Connection Status | Taskbar Icon |
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Connected |  |
No connection |  |
SIM locked |  |
Starting from OS version 12.4.1, on devices supporting mobile broadband physical SIM and eSim as well, an automatic switch to the physical SIM slot is performed if eSim has no profile assigned.
The mobile broadband tray app displays details about the WWAN network connection, like the network Provider and the Signal Strength, and provides an option to easily connect / disconnect and configure networks.
→ Use the toggle to switch the WWAN connection off and on.
If the Automatic switch of network connection parameter is enabled under Network > Common Settings, the toggle can be disabled. For more information, see Common Settings.
→ Click SIM Details to display the details and to configure the settings that are enabled for the tray app.
You can set which configurations are available in the tray up under Network > Mobile Broadband. For details, see Mobile Broadband in IGEL OS 12.
You can configure the following:
Auto Connect
☑ The mobile internet connection is established automatically. (Default)
Edit PIN
Change the PIN of the SIM card.Request PIN on boot
Set if PIN needs to be provided at startup.Roaming
Use the toggle to enable/disable the connection to roaming networks.
→ Click Change Provider to edit the network provider information:
You can configure the following:
Country or region
Country or region of the service provider.Provider
Your mobile network connection provider.Access Point
APN (Access Point Name) for your network connection. If you do not know the APN, ask your mobile communications operator for it.
Wi-Fi Tray App
→ Open the Wi-Fi tray app by clicking the Wi-Fi tray icon. The icon is dynamic and represents the state of the connection.
The Wi-Fi tray app opens. Using the icons at the top of the window, you can:
→ Use the toggle switch of the Wi-Fi tray app to turn Wi-Fi off and on.
→ Add a hidden network.
→ Scan for Wi-Fi networks to refresh the list of available networks.
→ Check the details of the connected network.
→ Switch between the Known Networks list and the Available Networks list.
If the Automatic switch of network connection parameter is enabled under Network > Common Settings, the toggle can get disabled. For more information, see Common Settings.
Connect to Available Wi-Fi Networks
To connect to a network, do the following:
Switch to the Available Networks list or use the Scan Wifi icon to refresh the list.
The list of networks is sorted according to their signal strength.
Previously configured networks are marked with a star icon. They are listed in the Known Networks List.
The currently connected network is marked with a tick icon.
Click on the network to be connected and provide the network key.
You can enable the Store WiFi key and Auto Connect parameters according to your needs.Click Connect.
The Wi-Fi tray icon changes to show the active connection.
The configured network is listed in the Known Networks list.
The configured connections get listed in the IGEL Setup under Network > Wireless > Wi-Fi Networks. For more information, see Wi-Fi Networks.To disconnect from the connected network, click on the network and click Disconnect.
Edit and Delete Known Networks
If you want to edit or delete a network, do the following:
Switch to the Known Networks list.
Click on the network to be edited or deleted.
You can enable the Store WiFi key and Auto Connect parameters according to your needs.Click Save to save the changed configuration or click Delete to remove the network from the list.
Connect to Hidden Networks
If you want to connect to a hidden network, do the following:
Switch to the Known Networks list.
Click the Add Hidden Network icon at the top of the window.
Set the Encryption Type, provide the SSID and the network key.
Click Connect.
The Wi-Fi tray icon changes to show the active connection.
The configured network is listed in the Available Networks list and in the Known Networks list.
The configured connections get listed in the IGEL Setup under Network > Wireless > Wi-Fi Networks. For more information, see Wi-Fi Networks.To disconnect from the connected network, click on the network in the Available Networks list and click Disconnect.
LAN Tray App
→ Open the LAN tray app by clicking the LAN tray icon. The app displays details about the LAN network connection and provides an option to easily connect to and disconnect from LAN networks.
The tray icon is dynamic and represents the state of the connection as described below.
LAN Status | Taskbar Icon |
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Connected |  |
No connection |  |
Connected, but no internet |  |
Connecting |  |
Disconnected by user |  |
Connection error |  |
Battery Tray App
→ Open the tray app by clicking the battery tray icon. The icon is dynamic and represents the state of the battery charge.
When the battery is charging, the following icon is shown: 
When the battery is discharging, the following icon is shown: 
The battery tray app shows information for all available batteries, including multiple internal batteries and batteries of connected bluetooth devices. You can set the CPU power plan regulation under Powerplan.
The CPU power plan is set for the current mode in use (AC or Battery). The CPU power plan can be set for all modes under System > Power Options > System. For the description of the power plans, see System Power Options in IGEL OS 12.
UMS Tray App
→ Open the UMS tray app by clicking the UMS tray icon. The icon is dynamic and represents the state of the connection as described below. The tray app also displays basic information of the connected Universal Management Suite (UMS), like IP address and Hostname.
UMS Connection Status | Taskbar Icon |
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Connected |  |
Connecting |  |
Disconnected |  |
Unmanaged |  |