JLG 1850SJ Operator Manual - Manual (Page 107)

SECTION 5 - LCD DISPLAY PANEL
3121618 – JLG Lift – 5-7
5.5 FUNCTION SPEED
If there is no function speed restriction, a gray snail is shown. If
the machine is in Creep Mode, a green snail icon is shown. If the
machine is in Super Creep Mode, the green snail icon will flash.
Figure 5-8. Function Speed Icons