9
10
1
4
3
2
5
6
Fig. 3: Selection and function keys
1 Flushing
2 Automatic service
3 Filling
4 Vacuum
5 Removal by suction
6 LCD display
7 Key panel
8 Vehicle database
9 PS2 interface
10 Function light
The high and low pressure gauges show the current
pressure during the air conditioning service at the
vehicle. The small gauge is used to monitor the internal
cylinder pressure.
The selection and function keys of the operating unit
control the menus and the service phases.
Bosch supplies a PS2 stick for updating the ACS 611
software. If required, the PS2 stick can be inserted
in the USB connection to perform updating of the
firmware/software.
3.4.1 Selection and function keys
Keys Name Operation
Evacuation
Refrigerant is extracted from the
vehicle.
R Control up
R Vacuum
R Upward cursor movement.
R A vacuum is generated.
R Control
right
R Filling
R Cursor movement to the right.
R Vehicle air conditioning system
is filled with refrigerant.
R Control
left
R Automatic
R Cursor movement to the left.
R Automatic service run: Air
conditioning service is carried
out according to saved
parameters.
R Control
down
R Flushing
R Downward cursor movement.
R Flush components of the vehicle
air conditioning.
Menu
Database
Enter Confirm and take over.
Stop Terminate and return.
Various functions are assigned to the <MENU> function
key in the ACS 611 software. The functions of the keys
are defined in the menu line of the ACS 611 software.