Arranger window arrow

Is the arrow missing from the bottom of this window in Cubase 9?
http://s304.photobucket.com/user/spottydog10/media/cubase9/arr0_zpsodskbnow.jpg.html
I use it all the time to navigate in Cubase 7
http://s304.photobucket.com/user/spottydog10/media/cubase9/arr1_zps9lexerhl.jpg.html
Is there a way to get it back?
Thanks

Hi,

Do you mean in the scroll-bar? There are now arrows anymore.

Thanks Martin