GV 640 Service Manual 94
9.6.2 Customer settings, selection (e.g. piezo electronics)
See also the switch documents for the respective model.
Function
Activation
Display Comment
Control plan
Key designation
Reset
Switch on the main switch
Select special programs
Switch off the main switch
Keep keys "B" and "C" pressed.
Switch on the main switch.
P0 Let the key go.
Choice of special programs
P0 ... P7 Press key "B" until the program of your choice appears.
P0 Error memory
Customer service program
Not relevant for customer
Not relevant for customer
Not relevant for customer
Not relevant for customer
Not relevant for customer
Sales room program