Alpine IDA-X100 - Radio and iPod Functionality; Double Action Encoder Operation; Normal Encoder Use; Advanced Encoder Functions

5-EN
There are 2 ways to operate the Double Action encoder.
Normal operation
Rotate the Double Action encoder to the left or right.
The adjust volume and scroll through a list of items.
Useful operation
Press in the outer ring and rotate the Double Action
encoder to the left or right.
When you release the Double Action encoder, the display
changes.
Depending on the current mode, the resultant action varies. If you
press then rotate and hold the Double Action encoder to the left or
right, the items/displays change continuously.
Double Action
Encoder Operation
Double Action encoder
Press the Double Action encoder.