PG DRIVES TECHNOLOGY
87
CHAPTER 4 - LIGHTING
SK77898/2
4 Programming
The VR2-L contains 3 extra programmable parameters which are described below.
4.1 Lamp Voltage
Adjusts the operating voltage for the wheelchairs lighting system. You can select either
12V or 24V. The wheelchairs lights and indicators should be fitted with lamps of the
corresponding value.
If 12V is selected then the lights and indicators will remain a constant brightness,
regardless of the battery voltage.
TÜV Germany require this constant brightness condition.
4.2 Lamp Wattage
Adjusts the control system to match the wattage (power) of the indicator lamps. Correct
setting of this parameter is required to accurately detect the failure of an indicator
lamp.
You can set this parameter to 5W, 10W or 21W.
TÜV Germany require that 21W lamps be used for the indicators.
24V/5W lamps can not be used. PGDT accepts no liability
for losses of any kind arising from damage to or failure of
the wheelchair lighting system.
4.3 Indicator Fault Detect
Sets whether the VR2-L will detect defective turn indicator lamps. You can set this
parameter to On or Off.
On means the VR2-L will detect defective lamps and signal this condition to the user
by flashing the relevant turn indicator LED on the VR2-L at a faster rate. Off means that
defective lamps will not be detected.
If the wheelchair has just one turn indicator per side, this parameter should be set to
Off.
TÜV Germany require that indicator lamp faults are detected and the condition
signalled to the user.
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