C4 User Manual
October 25, 2021 ©2021 Smartrise Engineering, Inc. All Rights Reserved Page 105
4. From the JERK IN DECELERATION menu, select the rate of transition from zero
deceleration to maximum deceleration.
Figure 137: JERK IN DECEL Menu
5. Scroll right and press Save.
9.1.1.6 Decel Jerk Out
The Deceleration Jerk Out parameter controls the softness of the transition from deceleration
to leveling speed. Larger values resulting car occupants feeling a greater gravitational force
when rounding into constant leveling speed. With larger jerk values, the car reaches leveling
speed more rapidly; since the pattern spends less time in rounding reaches leveling speed
sooner.
The adjustment range is from 0.3-25 fps
3
.
• Default = 0.8 fps
3
• Units of measure = fps
3
Deceleration Jerk out defines the transition from approach deceleration to Leveling Speed. As
Jerk out increases, the profile transitions more quickly from Deceleration to Leveling Speed.
This value should be kept low to avoid high tracking errors.
The following procedure describes how to set Decel Jerk Out.
1. Navigate to MAIN MENU | SETUP | S-CURVE. See Figure 55.
2. From the S-CURVE menu, scroll and select the profile that is being adjusted. See Figure
127.
3. From the PROFILE menu, scroll and select Decel Jerk Out.
Figure 138: NORMAL PROFILE – Decel Jerk Out
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