Aspire Cygnet User Manual page 55

Using the Device
53
Locking/Unlocking the Setting Buttons
Press the Fire and "-" buttons at the same time in order to lock or unlock the
setting buttons. A lock symbol will then appear on the display. Once the setting
buttons are locked, it is no longer possible to adjust the wattage and temperature,
but the Fire button will still work.
Rotating the Screen Display
Press and hold both setting buttons simultaneously for two seconds to rotate
the display.
Selecting Language
When installing or inserting a new battery cell, you can press and hold the
Fire button to choose between Chinese (CH) and English (EN) as the display
language. Toggle between the languages using the Plus or Minus button and
confirm your language selection by pressing the Fire button.