5 — INITIAL SETUP
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Return to TOC Curtis Model 1226 – September 2019
Configure the Deadband
Check whether the throttle’s deadband range provides a good balance. e deadband should be wide
enough for the throttle to return to neutral when released, but also should not allow an excessive
amount of travel in the neutral zone.
If the deadband needs tuning, perform the following steps.
1. Adjust the Forward Deadband as follows:
• If the throttle travels too far when starting out of neutral before the brake disengages,
decrease the Forward Deadband value.
• If the brake sometimes doesn’t engage when the throttle is returned to neutral, increase
the Forward Deadband value.
2. If a wigwag throttle assembly is being used, repeat the previous step using the Reverse Deadband
parameter; otherwise, set Reverse Deadband to the same value as Forward Deadband.
Configure the Wiper Voltage
e wiper voltage parameters should be set so that the controller produces 100% controller output.
To congure the wiper voltage, take the following steps.
1. Select Monitor » Inputs » Analog Inputs.
2. Apply full throttle and observe the Mapped rottle Percent value. is value should be 100% at
full throttle. If the Mapped rottle Percent value is less than 100%, perform the following steps:
a. Select Program » Application Setup » rottle.
b. Decrease the Forward Max value.
c. Apply full throttle and observe the Mapped rottle Percent value.
d. If the value is less than 100%, repeat these steps until the value is 100%.
3. Slowly reduce the throttle until the Mapped rottle Percent value drops below 100%, then note
the throttle position.
e throttle position represents the extra range of motion allowed by the throttle mechanism. If
the extra range is too large, you can increase the throttle’s active range and provide more vehicle
control by taking the following steps.
a Select Program » Application Setup » rottle.
b. Increase the Forward Max value.
c. Return to the Monitor menu and repeat this step until an appropriate amount of extra
range is attained.
4. If a wigwag throttle is being used, repeat these steps using the Reverse Max parameter; otherwise,
set Reverse Max to the same value as Forward Max.
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