Activeforever Invacare XPO2 Portable Oxygen Concentrator - Manual (Page 21)

SECTION 6—OPERATING INSTRUCTIONS
Part No 1148112 21 Invacare XPO
2
™
Checking Charge Level of Internal
Battery
NOTE: For this procedure, refer to FIGURE 6.2.
NOTE: Perform this procedure after charging the batteries and prior
to using the XPO
2
for the first time and prior to any subsequent use
to ensure the internal battery is fully charged.
1. Turn On the XPO
2
by pressing and holding the On/Off
button.
2. Press and hold the battery status button located on the
keypad.
NOTE: Pressing the battery status button will illuminate the
battery gauge and indicate the charge level of the internal battery.
When the battery is fully charged all four battery gauge indicator
lights will illuminate and stay illuminated until the button is
released. Lesser charges will illuminate fewer gauge indicator lights.
FIGURE 6.2 Checking Charge Level of Internal Battery
Battery Status
Button
Battery Gauge