Mindray A9 Operating Instructions

Setting Alarm Volume Alarms and Messages
8 - 6 Operator’s Manual of Anesthesia System
8.3 Setting Alarm Volume
The Alarms Volume settings adjust the audio level of all high, medium, and low priority sounding
alarms. The System Alert Volume settings adjust the audio level of all sounding pop-up prompts and
non-confirmed ventilation mode alerts.
To set the Alarm Volume:
1. On the Main Screen, select the soft key.
2. Adjust the volume on the pop-up screen.
Figure 8-4 Setting Alarm Volume
WARNING: Do not rely exclusively on the audible alarm system when using the
anesthesia system. Adjustment of alarm volume to a low level may
result in a hazard to the patient. Always keep the patient under close
surveillance.
NOTE: The auditory alarm signal A-weighted sound pressure level shall be no
less than 45dB and no more than 85dB.

Mindray A9 Specifications

General

Type	Anesthesia Workstation
Integrated Gas Analysis	Yes
Backup Battery	Yes
Operating Temperature	10°C to 40°C
Storage Temperature	-20°C to 55°C
Battery Type	Lithium-ion
Ventilation Modes	Volume Control, Pressure Control, SIMV, Manual Ventilation
Display	Touchscreen
Patient Monitoring	ECG, SpO2, NIBP, EtCO2, Temperature
Connectivity	Ethernet, USB
Portability	Mobile (with wheels)
Battery Life	Minimum 90 minutes (typical)
Altitude	Up to 3000 meters
Power Supply	100-240 VAC, 50/60 Hz
Charging Time	Approximately 4 hours
Storage	Internal storage for patient data and system logs
Supported Languages	Multiple languages
Certifications	CE, FDA