1.2.
Locking your operator control
It is possible to lock your operator control so that unauthorized people can not turn your electric
wheelchair on.
To lock your wheelchair:
While the power is ON, press and hold the ON/OFF button for 4 seconds.
The display will turn off immediately. After 4 seconds all LED's will goe out and
the horn give a short beep sound. The electric willchair will then turn off.
To unlock your wheelchair:
While your wheelchair is locked, press the ON/OFF button to turn your
wheelchair on.
All LED's will light. The battery charge indicator LED'S will then perform a slow
right-to-left chase.
Press the Horn button twice before the countdown is completed (approximately
10 seconds).
The current state-of-charge will then be displayed and SHARK may be operated
normally.
If the user does not press the Horn button twice before the countdown is complete, the
Horn will sound a short beep and your operator control will turn itself off.
You must complete these procedure completely otherwise your wheelchair will not drive
again.
1.3.
Using battery charge indicator
The battery charge indicator is used to indicate that your wheelchair power is on
and provides an estimate of the remaining battery capacity.
Any green LED's indicate that your batteries are well charged.
If only amber and red LED's are light, the batteries are moderately charged.
Recharge your batteries before you make a long trip.
If only red LED's are light, the batteries are running out of charge. Recharge as
soon as possible.
The following table indicates what the battery charge indicator will display.
Display
Progress
indicator
Description
Meaning
All LEDs dark.
System off.
All LEDs are lit.
System on.
Left red LED
Low battery level.
flickering.
Flickering in
Unlock Shark system.
sequence
from "right to left"
4
Shark Operator control
vA - 2011-07
Remarks
LEDs show the charge
level.
Charge battery
immediately.
To unlock, press the horn
button twice within 10
seconds after switching the
steering unit on.