Specifications

12. Press the more info key to return to the PROGRAM menu if the MORE INFO screen had been
selected.
13. Repeat Step 9 through Step 12, as required, until all of the functions are set to the desired values.
NOTE: Any unwanted change made to any of the function values can be "undone" using the SPECIAL
PROGRAM menu selection RESET ALL SETTINGS, as long as the programmer has not been
unplugged or the key switch has not been turned off (power disconnected).
14. Turn the key switch to the OFF position.
15. Disconnect and separate battery connector.
WARNING
The capacitor in the traction motor controller can hold an electrical charge after the battery is
disconnected. To prevent electrical shock and injury, discharge the capacitor before inspecting
or repairing any component. Wear safety glasses. Make certain the battery has been
disconnected. Discharge the capacitors using the recommended procedures and never by any
other method.
16. Discharge capacitors in controller by connecting a 200-ohm, 2-watt resistor across the controller’s
B+ and B− terminals with two insulated jumper wires. See Figure 5.
17. Disconnect programmer handset cord from traction motor controller.
18. Install drive unit compartment cover.
19. Reconnect battery.
1311 Programmer Handset
DESCRIPTION/FEATURES
The programmer handset is a handheld tool that allows the user to program, test, and diagnose the
traction motor controller. See Figure 6. It has been designed for ease of use with a menu navigation
key, a data increase/decrease key, and 3 bookmark keys to control all programmer functions.
The display window contains a 7-line, 128 × 64 pixel LCD screen that is capable of displaying both text
and graphics simultaneously. The window is visible in most lighting conditions and can be adjusted
using the programmer setup menu.
The programmer is menu driven and accesses submenus by pressing the menu navigation key.
When the programmer is connected to the motor controller, all current motor controller information is
uploaded into the 1311 programmer handset and ready for viewing. This upload is used by the
programmer to generate menu items that will be displayed by the programmer.
Figure 6. Curtis Model 1311 Programmer Handset
Menu Navigation Key
The menu navigation key is a 4-position switch that allows you to move up and down a menu list using
the up or down arrows, or you can open and close submenus using the right and left arrows. Use the
menu navigation key to move up or down through the main menu items. There is a blinking square on
the left side of the programmer that indicates the current menu selection. See Figure 7.
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