Yamaha PASC4 Owner's Manual page 104

Display of the battery capacity indicator lamps
(Down Tube Battery)
(Multi Location Battery)
(External Crossover Battery)
Slow flashing
<0.5 second intervals>
(Down Tube Battery)
(Multi Location Battery)
(External Crossover Battery)
Fast flashing
<0.2 second intervals>
Estimate of
the residual
Applicable situation
battery
capacity
There is very little battery
10 1 %
capacity left.
The battery capacity has
0 % reached 0 (zero). Please
charge the Battery Pack.
100