21
Jazzy 1143
V I I . O P E R A T I O N
VSI CONTROLLER
The electronic controller is what you use to operate your power chair. It takes the battery voltage and sends it to
the appropriate system. The electronic controller enables you to move the power chair, as well as monitor battery
charge, electronic controller functions, and the condition of your electrical system. Also, it may be used to control
some optional systems such as power elevating seats and lights.
The VSI controller is an integral electronic controller. All of the electronics necessary to operate the power chair
are contained in one module. See figure 14.
The VSI consists of:
1. joystick
2. keypad (see figure 15)
3. off-board charger/
programming socket
4. actuator connector
(optional)
5. controller connector
6. 3-pin charger inhibit
connector
Typically, the VSI is mounted to one
of the armrests and is connected to
the motors, batteries, and the
onboard charger at the electronics
tray.
Joystick
The joystick controls the direction and speed of your power chair. When you move the joystick from the neutral
(center) position, the electromagnetic brakes release and allow your power chair to move. The further you push the
joystick from its neutral position, the faster your power chair moves. When you release the joystick and allow it to
return to the neutral position, you engage the electromagnetic brakes. This causes your power chair to decelerate
and come to a complete stop.
WARNING! If your power chair begins to move in an unexpected manner, immediately
release the joystick. Unless the joystick is damaged, this action should stop your power
chair.
Keypad
The keypad is located in front of the joystick. It contains keys necessary to operate your Jazzy. See figure 14a.
Figure 14. VSI Controller
