27.07.2021
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When you switch to automatic mode as the
motor is shut down, the speed may not be
changed automatically for 1 minute. This dura-
tion is sufficient for the sensor to activate
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Sensor is used to measure the air quality and
determines gases such as NH3, NOX, alcohol,
benzen and CO2.
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In automatic mode, if an increase in the value
in the sensor is detected, the engine is run at
the 1st speed and the speed is automatically
changed.
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When in automatic mode the buttons are
pressed, the current speed is kept and run for
1 minute.
–
When the fume sensor does not sense a time
variation, automatically shuts down the motor.
When the motor is shut down manually or auto-
matically, automatic mod is not deactivated.
Precision Setting:
n
There are 3 precision settings as Lowest (1) to highest (3). The
factory default is (2).
n
To change precision, press the 1st and 2nd precision buttons
for 4 seconds.
When precision setting mode is active in 1st Level the 1st
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Speed, for 2nd level the 2nd Speed, for 3rd Level 3rd When
the level LED is on, all three of the other speed LEDs blink
alternating in half a second sequence. For instance when pre-
cision is set at 2nd level the 2nd Level LED is on and the other
three LEDs are displayed alternatingly.
n
To select one of the 3 levels, press the related button to
change the level.
n
The levels increase relatively easy when high precision is
selected; when low precision is selected it is increased rela-
tively hard.
n
Precision setting mode will be ended after 10 seconds the last
button press.
Magnetic Switch
With the appliance light and speed button are on, if the glass cover
is closed, the appliance will turn off. When the glass cover is
opened again, the light will not turn on, and the appliance will
resume operating at 1st speed. (When the glass cover is closed
and then opened with the appliance working, the appliance will
resume operating at 1st speed regardless of the set speed)
3129 HOOD USER GUIDE
USE OF PRODUCT
25