26
Curtis 1212S Manual, R ev. B
The correct System Resistance value is determined as follows.
4-a. Position the vehicle up against a wall, high curb, or some other
immovable object.
4-b. Plug in the programmer and turn the keyswitch on.
4-c. Set the Main Current Limit parameter (Program » Current » Main
Current Limit) to 35 A.
4-d. Set the Boost Current parameter (Program » Current » Boost Current)
to the same value as the Main Current Limit (35 A).
4-e. In the Monitor menu, scroll down to the Resistance field.
4-f. Apply the throttle full forward, driving the vehicle against the
immovable object.
4-g. Observe the Resistance value displayed in the Monitor menu.
4-h. Repeat steps 4-f and 4-g three more times. Do these measure-
ments quickly, to minimize motor heating, and note all four Resistance values.
4-i. Program the System Resistance parameter (Program » Motor » System
Resistance) to the average of the four Resistance values that were displayed in
the Monitor menu.
4-j. Before moving on to Section 6, Vehicle Performance Adjustment, be
sure to set the Main Current Limit and Boost Current back to their default settings.
5 — INITIAL SETUP
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