NOVATION ZERO SL MKII ROW SELECT BUTTONS DO NOT EXIST
There are multiple instances of the manual referring to the Row Select buttons, however these do not exist!!
Holding down [preview] then allows you to use the lower double row of buttons for the same effect.
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"You can toggle the display format of the CC Num setting between decimal and hexadecimal by pressing the ROW-SELECT button for the upper left-hand row of buttons."
[preview]+[any of the upper double row buttons]
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Template Grouping - "To step through templates within a group press any of the row select buttons multiple times."
[preview]+[any of the double row buttons] - slightly inconsistent behaviour, the first press does not cycle, but the second does. however after release only one press is required :?