JVD RB9371 Gebrauchsanweisung Seite 16

Press "▲"button to select 12 or 24 hours mode.
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5. Thermometer
Press "▼"button to select Temperature in Celsius mode/ Fahrenheit mode.
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If the temperature is out of the measurable range, LL.L (beyond the minimum
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temperature) or HH.H (beyond the maximum temperature) will be shown on the LCD.
6. Backlight
Press "SNOOZE/LIGHT" button, back light states for around 5 seconds.
7. Precautions
The clock loses its time information when the battery is removed.
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Do not expose it to direct sunlight, heavy heat, cold, high humidity or wet areas
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Never clean the device using abrasive or corrosive materials or products. Abrasive cleaning
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agents may scratch plastic parts and corrode electronic circuits