manual LAYER

[pertiet]

Hi,

I read this in the manual (page 14)
Using both timbres (Layer) ❍ Set the EDIT SELECT 1 knob to VOICE, and turn knob 2 to select LAYER ( ).

Which is knob 2 ?
I cannot find it or cannot find anything written 'LAYER'

[pertiet]

oh, oh, I wAS STUPID AND FOUND IT
sORRY