1. Standby/On - Switches the unit between Standby mode (indicated by dim LED) and On (indicated by bright LED). Standby mode is a low power mode where the power consumption is less than 0.5 Watts.
2. Cartridge Type Selector Switch - Match this switch to the cartridge type installed on your turntable. MM for a moving magnet cartridge and MC for a moving coil cartridge.
3. Headphone Volume Control.
4. Headphone Output - Allows for the connection of stereo headphones with a ¼” Jack plug. Headphones with an impedance of between 32 and 600 ohms are recommended.