My mistake. The screen does say "enter level" NOT enter speed. When I enter slow mode it defaults to slow mode speed 5 which is correct default operation number and I can change the slow mode speed higher but only by using the down arrow which increases to a higher slow mode number but the up...
I have a 2022 Sea Doo GTX 170 and when I go into slow mode I can't get the speeds to change when pressing the up/down buttons on the right handle. I get the "enter speed" prompt to come up and the flashing speed number but nothing happens when I press the up and down buttons on the right handle...