JLG 4017PS Operator Manual - Manual (Page 57)

Section 3 - Controls and Indicators
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Gear Selection
Gear selection is made with joystick buttons (2). See page 3-20 or page 3-23 for
details.
Horn
Horn button (3) is located on the end of transmission control lever.
• Depress to sound horn.
OZ4320
2
OZ4300
3