V.A.C.
ATS Operations and Maintenance Manual
14
Automatic switch to battery power
The V.A.C.
®
ATS will automatically revert to battery operation if AC/mains power is
disconnected. Therapy unit will operate at previous settings. The plug icon will no
longer appear on the screen and the battery icon will appear. Once the V.A.C. ATS is
plugged back into the wall, AC/mains power is restored and the battery will
automatically re-charge while the therapy unit remains plugged in.
•
Average battery time
(after full recharge): approximately 4 hours, depending on
the settings.
•
Average time to recharge
battery
: approximately 4 hours fast charge to reach
85% capacity; approximately 10 hours to reach full charge.
•
Low battery alarm
: One tick mark within the battery indicator signals
approximately 25% of battery time is left. An audible alarm will sound when the
battery is very low, then the therapy unit will switch to Therapy OFF. However,
the touchscreen may still remain functional at the time of a low battery alarm.
•
Automatic shutdown
: If the battery charge falls below a critical level, the therapy
unit will automatically turn off and will remain off even if plugged into AC/mains
power. To restore power, turn the therapy unit off then on again using the green
power switch.
BATTERY OPERATION
