180 HCL Liebherr Litronic. How to adjust the speed of the hoist

On a single fall at 1.0 speed the block is very fast and difficult to control. It’s handy to know how to adjust it. There’s no approval code required as it’s a requirement for the driver.
Liebherr 180 HCL 8/16t Luffing Jib Tower Crane, 3.9t @ 45m