HIMS Braille Sense U2 User Manual page 484

Stopwatch start, pause, restart: enter
Check the elapsed time: Backspace
Stop Braille display: Space-F2
Restart Braille display: Space-F2
Switch between stopwatch and count down timer: "tab ("Space-4-5")"
or "shift-tab ("Space-1-2")"
Count down timer pause or restart: enter
Count down timer Initialize: Backspace
Exit stopwatch or count down timer: Space-z (dots 1-3-5-6)
Setup internet: i (dots 2-4)
Display power status: Space-1-6
Display network status: Space-n (dots 1-3-4-5)
Backup/Restore Personalized settings: k (dots 1-3)
Move to previous item: Space-1 or up scroll button
Move to next item: Space-4 or down scroll button
Move to previous control: Shift-tab (Space-1-2 or Space-F3)
Move to next control: Tab (Space-4-5 or F3)
Format: Space-1-2-3
Set Sleep Timer: Space-j (dots 2-4-5)
Upgrade Braille Sense U2 Firmware: u (dots 1-3-6)
Check download information: Space-i (dots 2-4)
Cancel download and exit: Space-z (dots 1-3-5-6)