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CAUTION
•
Freewheel operation is only intended for short-term use in SPECIAL CIRCUMSTANCES, NOT
as a regular or permanent mode of Powerchair movement. In freewheel mode the Powerchair is
NOT secured by the electromagnetic brakes, as both brake systems are out of action during
this time.
12.8 VSI Controller Functions
The VSI controller fitted to your Spectra Blitz
TM
power chair has several features and functions. The
following procedure shows how to use these.
Horn Button
Press the button once to sound the intergrated horn.
LOCK Function
To lock the VSI and prevent unauthorised use of your Powerchair perform the following.
1. Whilst power is on, press and hold the power button. After one (1) second the system will beep,
now release the power button.
2. Move the joystick forward until the system beeps, then move the joystick backward until the
system beeps.
3. Now release the joystick, there will be a long beep. The wheelchair is now locked.