Automatic discharge of Non-condensable gases from the bottleAutomatic leak check during vacuum phaseAudible and visual alarms for maintenance equipment and replacement filtersPressure gauges for monitoring High pressure and Low pressure in the systemAlphanumeric LCD display with backlight for the display of all data, operating instructions, service alarms, etcAdvanced vehicle database for cars & trucks with more than 1000 positions upgradeable via USBSoftware update via internet and RS-232 serial port & USB portRefrigerant management for creating a customised archive of all refrigerant transactions