The ledger device is your Ledger Nano S
start here:
https://www.ledgerwallet.com/start
Click on Apps to see the wallets and the Manager App. BCC or BCH is a wallet that uses the Bitcoin Wallet, just like Litecoin, you control it by clicking on the LTC or BCH, etc on you Nano S
Ohhh, sorry! That didn't occur to me. I don't have a Ledger Nano yet, but I want one. My BTC is on a hot wallet.