Autoconversion admits you to accept various crypto-currencies on your wallet. For example you can receive Litecoin or Ethereum on Bitcoin wallet. Choosing a currency which is differ from the currency on your wallet you will deal to automatic conversion which is carried out at the market price, according to service fees.
To use this function select any wallet in "Account" section and chose "Address"
Next select cryptocurrency from the drop-down list (for example, ETH) and click "New" button.
Thus, you will receive an address Ethereum on your Bitcoin wallet.
The Fee for automatic conversion when exchanging currencies inside a purse, transferring or depositing funds is 0.40% of the current market price on the respective currency pair.