MacDon M2170 Operator's Manual page 376

On the operator console, press button (A) to increase the speed
or button (B) to decrease the speed.
On the GSL, press switch (A) to increase speed or switch (B) to
decrease speed.
262170
OPERATION
Figure 4.494: Operator's Console
Figure 4.495: GSL
352
A
A
B
B
Revision A