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Marathon Professional 75 - Temperature and Backlight; Important Usage Precautions

Marathon Professional 75
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9
TEMPERATURE
If the temperature is over 50 °C, “HH.H” will appear on the
display. If it is lower than -9.9 °C, “LL.L” will appear on
the display.
BACKLIGHT/AUTO LIGHT
1. Touch the SNOOZE/LIGHT button to activate the
backlight. The backlight will last for 5 seconds.
2. Slide the AUTO LIGHT switch to the “ON” position to turn
on the automatic backlight function. Slide the switch to the
“OFF” position to turn off the function.
3. When the automatic backlight function is on, the backlight
will automatically turn on if the sensor cannot detect a
sufcient amount of light.
IMPORTANT
Do not expose the clock to direct sunlight, extreme
temperatures, high humidity, or moisture.
Never clean the clock with abrasive or corrosive products;
EN

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