9
USER COMMUNICATION INTERFACE:
Recovery key : to recover the A/C refrigerant into the working tank
Vacuum key : to extract gases from A/C system
Purge key : to release non-condensable gases from working tank
Recharge key :
to refill refrigerant into A/C system.
New oil key :
to inject new oil into A/C system.
Function key :
it allows to start the other service operation.
Auto key: one press operation for all steps automatically