Quantum VSI, Basic Operation Instructions

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Battery Condition Meter
The battery condition meter is located in front of the joystick. This is a 10-segment illuminated display
that indicates that the VSI is powered on and also gives the battery status, the VSI status, and the
electrical system status.
Red, yellow, and green lights lit: Batteries charged; VSI and electrical system OK.
Red and yellow lights lit: Charge batteries if possible; VSI and electrical system OK.
Red lights only lit or slow flash: Charge batteries as soon as possible; VSI and electrical system
OK.
Rapid flash of lights: The VSI has detected a problem in the electrical system and power chair
drive operation is inhibited. Refer to “Fault Codes.”
Ripple side to side of lights twice followed by seven flashing lights: The joystick was not in the
neutral position when the controller was turned on. Refer to “Fault Codes.”
Ripple side to side of lights: The VSI has detected an off-board charger plugged into the off-board
charger port. Refer to “Fault Codes.”
NOTE: If you have attempted to resolve the problem and still get “ripple side to side of lights,”
contact a Pride/Quantum Provider.
NOTE: When the batteries approach a discharged state, the red lights will begin to slowly flash,
reminding you the batteries need to be charged immediately!
Speed/Profile Keys
There are two keys that control either speed or profiles, depending on your VSI program. Press the
speed/profile increase key to increase the speed or change the profile. Press the speed/profile decrease
key to decrease the speed or change the profile. The speed/profile setting is displayed on the maximum
speed/profile indicator. If your power chair was programmed with a drive profile, contact your Pride/
Quantum Provider for more information.
NOTE: We recommend that the first few times you operate your power chair, you set the speed
to the slowest setting until you become familiar with your new power chair.
Actuator Keys and Actuator Lights (for optional equipment)
Actuator keys and actuator lights are used for optional equipment such as power elevating seats
or power elevating leg rests. For specific operation of the actuator keys and actuator lights, refer to
“Actuator Adjustment.”
Horn Key
The horn key activates a warning horn.