See also:

Category selection
To activate the category search mode, press the “PTY/CAT” button. To deactivate the category search mode, press the “PTY/CAT” button again. When in the category search mode, pressing the “FOLDE ...

Electrical system
...

Folder selection
Type A and B audio Type C audio Press the “” side of the “FOLDER/PTY/ CAT” button briefly to select the next folder. Press the “” side of the button briefly to go back to the previous folder. F ...