Continuous Descent Approach

[ARINC]

As I understand it in the latter stages of the descent ATC provide track miles to touch down I had some questions about interpreting this information.

1. Where vertically in the descent profile does this information get given.

2. Do you If flying Autopilot VNAV/FLCH/VS alter FMC/MCP to alter the descent profile given the new information, if so what do you do ? (eg alter alt. restrictions)

3. What do you do if hand flying ?

4. Do you use the predicted altitude intercept semi circle ? (Not on Airbus ?)

5. Are you using P-RNAV procedures for the CDA ?

Thanks in advance