Panasonic FX-55 Series Operating Instructions Manual page 23

: Battery Indicator 1
( When the battery indicator does not light
( Battery Power)
: Battery Indicator 2
( When the battery indicator does not light
( Battery Power)
*2: When using second battery pack
H. Front Expansion Area Latch
I. RAM Module Slot
J. SSD Pack Latch
K. SSD Pack Slot
L. Ventilation Hole (Intake)
M. Dust Cover
( Handling and Maintenance)
on)
*2
on)