my piano roll keysize has increases i dont know how to reduce it

[Arshad Aquif 0]

my piano key size have seemed to be zoomed in to about 300% .. i dont know how i messed up.. now i cant change it back.. help me please

 

[msmcleod 3,782]

Use the vertical zoom buttons on the right - specifically the '-' one:


 

[Arshad Aquif 0]

THANK YOU