ZOLL AEV Operator's Manual page 12

G I
ENERAL NFORMATION
Symbol
EXT
BATT
off
on
1-6
Description
Warning: Low Priority Alarm Active.
Mute: Active Alarm Audible Signal Muted.
Speaker: Active Alarm Audible Signal
Oxygen Supply: Oxygen Supply Connected.
External Power: Indicates the unit is operating using an external power
source.
No External Power: Indicates the unit is operating without an external
power source.
Internal Battery: Provides indication of battery capacity and charging.
Indicates that an external battery is powering the ventilator.
No Internal Battery: Indicates when internal battery is not an available
power source.
Head with Mask: the unit is in Non-invasive Positive Pressure Ventilation
(NPPV) mode.
Feature OFF -- feature or alarm not selected.
Feature ON -- feature or alarm has been selected.
www.zoll.com 906-0731-01-05 Rev. C