auto - base
- auto antenna
- auto attendant
- auto color tracking
- auto demagnetizing system
- auto disconnect
- auto eject
- auto focus
- auto function
- auto homing tone arm
- auto power on/play
- auto program locate device
- auto program seach system
- auto programm pause system
- auto racing
- auto spacer
- auto-alarm receiving equipment
- auto-answer
- auto-call
- auto-manual control
- auto-manual telephone
