> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/june5-3.7/en/weitere-june5-produkte/june5-flexin-2/bedienung/menuezeile.md).
# Menu Bar
The menu bar is located at the top of the screen and in most cases contains a title (center), a "back" button (left), and several actions (right).
## QR Code Scanning
The QR code scanner can be started in the app bar via the QR symbol (). With the help of the setting [Show QR Codes as List](/june5-3.7/en/weitere-june5-produkte/june5-flexin-2/bedienung/einstellungen/allgemein.md#qrcodesalslisteanzeigen), multiple codes can easily be scanned at once.
## Offline Usage
To capture hand values without internet access, an image of the current data model can be created via the download symbol (). Afterwards, measurement values can be captured for process variables. Once the device is connected to the internet again, the offline captured values can be transmitted to the server.
See also: [Sync Without Values](/june5-3.7/en/weitere-june5-produkte/june5-flexin-2/bedienung/einstellungen/allgemein.md#syncohnewerte).
## Untransmitted Values
If values have been captured that could not be transmitted to the server (for example because the device was not connected to the internet), the warning symbol () appears in the app bar. Tapping on the symbol opens a view for transmitting the values. Here, values can also be sorted or deleted. If needed, information about the measurement value is displayed:
-() DataSourceKey of the process variable for which the measurement value was captured
-() Time at which the sending was attempted
-(  ) Captured timestamp of the measurement value
Measurement values can also be transmitted directly from the [Hand Value Form](/june5-3.7/en/weitere-june5-produkte/june5-flexin-2/bedienung/server-ansicht/handwertformular.md). However, only the values that belong to this process variable can be transmitted.
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