hye..im going to hong kong this 11th february for 4days..my first question is how many initial value are there inside airport express travel pass(hkd220) ?? is it hkd50 or hkd30?? 2nd question is, is it possible for me to use the deposit balance hkd50 inside the octopus card for me to travel on the 4th day? because im planning to travel by a light ferry on the 4th day. can i use the deposit balance on my octopus express travel pass to pay the ferry fare?. thanx.many2 help pls... :(