The Nordic ID HH83/HH85 devices include six physical keys for user interactions. Location of the keys can be seen in Features
Both Nordic ID HH83 Barcode and RFID ACD variants include two side keys for triggering UHF RFID and/or barcode reading, allowing usage with both right and left hands.
The Nordic ID HH85 RFID ACD also includes a trigger on the pistol grip, besides of the two side keys.
Scan buttons
The trigger (SCAN) buttons are in Nordic ID HH83 on both sides of the device, and also on the pistol grip in the Nordic ID HH85. Depending on the application in use, the trigger button starts/stops UHF RFID or barcode reading. By default, the first press of the button starts the reading and the second press of the button stops it.
NOTE! By default, side buttons in Nordic ID HH8x don’t wake up the reader if sleeping.
Scanning is the default behavior of these side keys when using Nordic ID applications such as Nordic ID RFID Demo, Nordic ID Keyboard Wedge or Nordic ID Radea Mobile Client.
The scan buttons information (status) is also available for 3rd party applications via the Android API, as a push or release event, so that their behavior can be customized.
Power key
Power key turns the device On/Off. The power key can be used also to wake the device up if it’s sleeping and displaying the “Power off” menu if the key is pressed continuously for 1 second.
When pressing the power key continuously for 8 seconds, the device will reboot immediately.
⏺ Home key will show the menu of Android OS and/or application if supported by the view/application or move back to the home screen from any application.
◀ Back key equals to tapping a “Return” or “Previous” button in any application. It behaves as the “back” Android button.
⏹ Apps key will show the task manager of Android OS. It behaves as the “apps” Android button.