660 zumo media player

[alfie]

Can someone tell me what the two buttons to the right of controls do one is a full square with an arrow and one is 3/4of a square with an arrow ??

 

[newboy]

Loop and shuffle I think

 

[Deleted account 181015003]

User manual here

http://www.garmin.com/manuals/zumo660_OwnersManual.pdf