Quantum Jazzy 1420 Series
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Electronics Tray
The electronics tray is located on the back of the power base. See figures 6 and 7. The ammeter, the charger power
cord, the main circuit breaker, the controller connector, and the charger fuse are all located on the electronics tray.
Ammeter (onboard charging system shown only):
The ammeter displays the charger’s current output in amps.
See VI. “Batteries and Charging.”
Charger Power Cord (onboard charging system only):
Connects the onboard charger to an electrical outlet for
battery charging.
Main Circuit Breaker:
The main circuit breaker is a safety feature built into your power chair. When the batteries
and the motors are heavily strained (e.g., from excessive loads), the main circuit breaker trips to prevent damage
to the motors and the electronics. If the circuit trips, allow your power chair to “rest” for approximately one
minute. Next, push in the circuit breaker reset button, turn on the controller, and continue normal operation. If the
main circuit breaker continues to trip repeatedly, contact your authorized Quantum Rehab Provider.
Controller Connector:
This is where the controller connects to the power base. Each controller uses a different
type of harness. Regardless of which type of controller is used, the harness must be secured to the seat assembly
and not allowed to drag on the floor.
Charger Fuse (onboard charging system only):
The charger fuse protects the ammeter from current overload.
There are three fuses on the electronics tray. The top one is the charger fuse. The bottom two are spares.
Active-Trac Suspension
The Quantum Jazzy 1420 is equipped with Active-Trac Suspension (ATS). ATS is a system designed to make the
power chair traverse different types of terrain and obstacles while maintaining smooth operation. With ATS, the
front anti-tip wheels work in conjunction with the motor suspension to help you maneuver over obstacles in excess
of 2 in. (5 cm) in height.
As the front anti-tip wheels come in contact with an obstacle, the front anti-tip wheel assembly is drawn upward.
At the same time, the motors are forced downward. This allows the motors to push the power chair over an
obstacle without the possibility of becoming “hung up.”
ATS also helps in day-to-day operating conditions. For instance, when you release the joystick, the power chair
begins to slow down. As the chair slows down, the front anti-tip wheels will automatically drop toward the ground.
This will reduce the forward tip that is typically encountered with mid-wheel drive chairs.
I I I . Y O U R P O W E R C H A I R
Summary of Contents for QUANTUM JAZZY SERIES
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