LEESON Chassis Mount Regenerative Control: 175721.00 - Manual (Page 36)

Calibration 30
Minimum Speed (MIN SPD)
The MIN SPD setting determines the minimum speed when the
speed adjust potentiometer is turned full CCW. It is factory set
to zero speed. The minimum speed feature applies only
when the drive is operating in unidirectional mode.
To calibrate, set the speed adjust potentiometer full CCW.
Adjust the MIN SPD trimpot until the motor turns at the desired
minimum speed.
Maximum Speed (MAX SPD)
The MAX SPD setting determines the maximum motor speed
when the speed adjust potentiometer is turned full CW. It is
factory set for maximum rated motor voltage.
To calibrate, set the speed adjust potentiometer full CW. Adjust
the MAX SPD trimpot until the motor turns at the desired
maximum speed.