Crivit HG05690A - Screen Off;Battery Saving

50 GB/IE/NI
14. Screen off/battery saving
The product retains the time function without showing any
displays to save the battery energy. This feature is used if the
product will not be used for a long time.
Button Description
Hold
[A][B][C][D]
simultaneously Enter the screen off/battery saving mode.
Hold
[A][B][C][D]
simultaneously
again Turn on the display.