Battery Gauge; Battery Saver - Dynamic DX-REM34 Installation Manual

The wheelchair is automatically disabled from driving whenever the battery
charger is plugged in. The Drive Program will show ' ' to indicate that the
wheelchair is inhibited.
Connection of the battery charger will automatically power the wheelchair, if
the wheelchair was powered down at the time of connection. This allows the
progress of battery charging to be monitored on the Dolphin battery gauge. The
wheelchair can, if required, be subsequently powered down by pressing the
On/Off switch, and charging will still proceed normally.

Battery Gauge

The Battery Gauge provides true, useable battery capacity information. A full
battery with at least 85 % of rated capacity, is represented by all ten LED' s lit.
Some new batteries can start with as little as 80 % capacity, developing higher
capacity in their early life (sometimes up to 110 %), before slowly
deteriorating over their rated life.
As the battery voltage drops, the number of LEDs lit reduces from right to left.
When only the red LEDs are lit, the available battery capacity is typically less
than 10 %. At this level and below, the Battery Gauge flashes at 1 Hz to alert
the user that the wheelchair is running on reserve capacity. The battery
capacity will reduce more rapidly in the reserve capacity range.

Battery Saver

The Battery Saver is a feature programmed into the DX Remote. When the
battery capacity is in the reserve range (below 21V), the wheelchair
performance is reduced. This is to preserve the life of the battery by
encouraging the user to recharge the battery before it becomes harmfully flat.
Operating the wheelchair with more than two LEDs of the Battery Gauge lit
will generally give normal wheelchair performance. This is provided that the
battery size and the PM program settings are matched to the wheelchair.
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No. 60025, Issue 5. January 1999
Batteries and Charging 7