Kenwood Z919 - Manual (Page 7)

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• Each virtual folder is displayed with the original folder name
bounded by parentheses " ( ) ". For example, the virtual folder
below the folder named " 4 " is displayed with a name of " (4) ".
The file name of each virtual folder is displayed with up to 29
characters (in the ISO 9660 Level 2 format) or 10 characters (in
the ISO 9660 Level 1 format), excluding the binding
parentheses.
• The FM button is disabled in a folder because it has no
subordinate hierarchical level below. Immediately after
entering the folder select mode as in the above example,
therefore, the FM button cannot be used as there is no
hierarchical level below folder
.
Once you have moved to folder using the folder select
function, for example, you can use the FM button to select
folder one
level below.
NOTE