BELLISSIMO HNTB65XL Instructions For Use And Installation page 14

Use and Care
Timer
The digital countdown timer can be set up to 23 hours and 59
minutes maximum.
To set the timer, press the function button repeatedly until the bar
above is displayed. Once the function button is released, the
current time is displayed and the bar above flashes. When the
function button is pressed the remaining time is displayed. When
the set time is reached, disappears and the alarm will ring. To
stop the alarm, press any button.
Note: After pressing the function button, timer settings should be
done within 5 seconds.
In case of a power failure, all settings including the time display
will be lost. When the power is returned, the bar above
and
'12:00' will be displayed.
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