OEM Controls SB25 - Manual (Page 7)

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Press the Plus key to increase the function speed. Press the Minus key to decrease
the function speed.
Press the RUN key to save the new value.
Repeat these steps for adjusting Low Range in the opposite direction.
To adjust RAMP UP (acceleration time):
Ramp Up determines the time it will take for the machine function to accelerate
from off to full on when the joystick handle is moved abruptly. Ramp up time is
used to prevent sudden jerky movements of the machine. Ramp up (and ramp
down) time is adjustable in tenths of a second increments.
If the machine has two speeds (Dual Range), make sure the High range is
selected. (If this is not possible, then temporarily adjust the Low Range to 100%.
Press the Ramp Up key. The Ramp Up value is displayed and flashing.
Move the joystick handle very quickly to its fully ON position (to the end of its
travel) in the direction to be adjusted. Observe the machine’s response.
If the machine starts too quickly and/or is jerky, press the Plus key to increase the
ramp up time.
If the machine takes too long to start up, press the Minus key to decrease the ramp
up time.
Press the RUN key to save the new value.
Repeat these steps for adjusting the Ramp Up time in the opposite direction.
To adjust RAMP DOWN (deceleration time):
Ramp Down determines the time it will take for the machine function to
decelerate from full ON to OFF when the joystick handle is moved abruptly.
Ramp down time is used to prevent sudden jerky movements of the machine and
allow smooth stopping.
CAUTION - Setting the Ramp Down time too high will increase the time it takes
for the machine function to stop.
If the machine has two speeds (Dual Range), make sure the High range is
selected. (If this is not possible, then temporarily adjust the Low Range to 100%.