1. Make sure the switch is connected and the key is positioned on OFF.
2. Keep the button on the switch pressed down.
3. Turn the ignition key to ON and start the vehicle.
4. Two-colour LED (Red/Green) blinking.
5. Keep the button pressed down until the LED blinks Red only
6. Release the button; the LED now blinks Green.
TYPE OF LEVEL SENSOR PROGRAMMING:
1. Press the button several times until you get the desired level sensor
programming.
• YELLOW LED ON: A.E.B. sensor
• 1/4 GREEN LED ON: 0÷4700 Ohm sensor
• 2/4 GREEN LED ON: 0÷90 Ohm sensor
• 3/4 GREEN LED ON: RESERVE sensor
2. Keep the button pressed for 3 seconds in order to save and go on
to the next setting.
Programming
English
G 4/4
G 4/4
G B
4/4 o B
TYPE OF CHANGEOVER PROGRAMMING (ACCELERATION/DECELERATION)
1. Two-colour LED with GREEN on.
2. Press the button until you get the desired programming.
• YELLOW LED ON: Switch programmed to change over during
DECELERATION
• 1/4 GREEN LED ON: Switch programmed to change over during
ACCELERATION
3. Keep the button pressed for 3 seconds in order to save and go on
to the next setting.
REV REFERENCE FOR CHANGEOVER PROGRAMMING
1. Two-colour LED with RED on.
2. Run the engine at the desired rpm level (800-1200) while keeping
this value constant.
3. Press the button once to store the engine rpm threshold as reference;
every time the button is pressed, the engine rpm (provided they are
not null) are store as a new reference for the changeover.
4. Take the engine to idle speed while checking the status of the
YELLOW LED.
• YELLOW LED BLINKING: Engine rpm lower than reference
• YELLOW LED ON: Engine rpm higher than reference
5. Keep the button pressed for 3 seconds until the two-colour LED
blinks RED/GREEN.
6. Turn the ignition key to OFF.
NOTE: The steps listed above must be followed in sequence in
order to complete programming correctly.
G B
1/4 4/4
4/4 o B
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Operation
• YELLOW LED blinking:
• GREEN LEDs indicate the quantity of GAS
• Changeover from FUEL to GAS during DECELERATION after the
set rpm has been passed
• YELLOW LED blinking:
• GREEN LEDs indicate the quantity of GAS (if in reserve, there is
only the yellow LED indication)
• Changeover from FUEL to GAS during acceleration after the set
rpm has been passed
FUEL OPERATION
• TWO-COLOUR LED with RED on.
EMERGENCY FUNCTION
(the vehicle starts directly with GAS)
• Insert the sub key without starting the vehicle
- Keep the button pressed for 3 seconds
- YELLOW LED
• GREEN LEDs indicate the quantity of GAS (if in reserve, there is
only the yellow LED indication)
• Start the vehicle, and it will start directly with GAS
NOTE: if the switch has been programmed to operate with
a RESERVE sensor, only the YELLOW and 1/4 GREEN LEDs
will turn on.
English
G 1/4
G 1/4 2/4 3/4 4/4
G 1/4 2/4 3/4 4/4
PROGRAMMED AS FUEL CRANKING WITH AUTOMATIC CHANGEOVER TO GAS
DURING DECELERATION
PROGRAMMED AS FUEL CRANKING WITH AUTOMATIC CHANGEOVER TO GAS
DURING ACCELERATION
Operation changes over from GAS to FUEL and vice versa every time the button is pressed
GAS OPERATION
B
G 1/4 2/4 3/4 4/4
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