7 Maintenance and Service
7.1 Battery Replacement
The Battery Status indicator in the upper right corner of the EMMA display starts blinking when the
remaining lifetime of the batteries is approximately 30 min (Alkaline batteries).
To replace the batteries:
1. Open the battery compartment by pressing the release button.
2. Gently remove the depleted batteries.
3. Insert two new AAA type batteries into the battery compartment. Make sure that the batteries are
fitted according to the polarity marking.
4. When the batteries are properly in place, gently snap the battery cover back into place.
7.2 Cleaning
1. Remove the batteries before cleaning.
2. EMMA can be cleaned using a cloth moistened with isopropyl alcohol.
CAUTION! DO NOT immerse EMMA in any liquid.
7.3 EMMA Airway Adapter
• EMMA Airway Adapters are intended for single patient use. They are disposable and shall not
be re-used. Reuse of single patient use Adapters can cause cross infection.
• EMMA Airway Adapters shall be disposed of in accordance with local regulations for bio
hazardous waste.
WARNING! Replace batteries immediately when the Battery Status indicator starts blinking.
Remaining battery time depends on battery type and other circumstances and cannot be reliably
predicted. The remaining lifetime for lithium batteries may be significantly less than 30 minutes when
the Battery Status Indicator starts blinking.
NOTE: Always carry spare batteries in the EMMA pouch.
WARNING! Lithium batteries may present a fire or chemical burn hazard if mistreated. Do not
disassemble, heat above 100°C (212°F) or incinerate. Dispose of used cell promptly. Keep away from
WARNING! Use only Alkaline or Energizer Ultimate Lithium L92 batteries. Use of other Lithium
batteries may present a risk of fire or explosion.
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