La Crosse Technology WS-3512 - Manual (Page 25)

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To leave the setting mode, press ٭EXIT٭.
11 Operation of EL Backlight, Buzzer, and Alarm
History
11.1 EL Backlight
For better visibility of the LCD, the EL backlight can be switched ON or
OFF by touching the LIGHT section once. When switched “ON”, the
backlight will be switched on for approximately 15 seconds every time
any one of the LCD sections is being touched.
The switching condition (Enabled/Disabled) is shown in the text
section for about 30 seconds.
Note: In case the Touch Screen Weather Station is battery operated,
the repeated use of the EL backlight will result in a considerable
decrease of battery lifetime. It is thus recommended to either
operate the Weather Station on the included AC/DC adapter or
entirely deactivate the EL backlight (see above).
11.2 Buzzer
The buzzer will sound when any of the touch screen buttons are
pressed or to indicate an alarm. The buzzer can be switched ON or
OFF by touching the BUZZER section.
The switching condition ON or OFF is displayed directly in the
BUZZER section as well as for about 30 seconds in the text section
(Enabled/Disabled).
11.3 Alarm History (Alarm)
Upon touching the ALARM display in the WIND section will –
numbered and sorted according to the time of appearance with
٭NEXT٭ all those set and activated alarms (outside the wake-up