Newland SPEEDATA SD35 User Manual page 22

Physical key definition
Volume key
To adjust the volume.
Power key Press to power on or power off.
Scan key
Press it to scan the barcode.
Home key Press it to go to the home screen.
Resent key
View and switch tasks.
Screen off key Turn off the display of the screen (Unlike the lock screen,
the touch function is still available, and it can be scanned
normally, but the screen backlight is turned off to save
power.)
Back key press it to go back to the previous screen.
Function keys:
F1~F4:Click settings->Key Remap,to configure physical keys.
Input keycode:The keycode range is defined in the android
keyevent,including letters,numbers,symbols,functions,etc.It can be used in
scenarios where customers have special requirements for output symbols. For
example, when using a keyboard-less device and without a keyboard, the
customer wants to quickly delete the content of the text box, but does not want
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SD35 User guide V1.0