23 - 6 BeneVision N22/N19 Patient Monitor Operator’s Manual
The AG module measures 4% of Des, 0.5% of Hal and 50% of N2O in the patient’s end-tidal gas:
• The formula above is only suitable for patients who are older than one year. If the patient is less than
one year, the system uses one year old to do age correction.
23.7 Changing AG Settings
23.7.1 Changing AG Alarm Settings
To change the AG alarm settings, follow this procedure:
1. Select the AG numeric area or waveform area to enter the
Gas menu.
2. Select the desired gas tab.
3. Select the
Alarm tab.
4. Set the alarm properties of the desired gas:
â—† Switch on or switch off the alarms and alarm recording.
â—† Adjust the alarm limits and alarm priority.
â—† Select Apnea Delay to set the delay time of the apnea alarm.
23.7.2 Setting the O
2
Compensation
If the AG module does not incorporate the O
2
module, you need to set the amount of O
2
in the ventilation gas
mixture. To set the O
2
compensation, follow this procedure:
1. Select the AG numeric area or waveform area to enter the
Gas menu.
2. Select the
Setup tab.
3. Set
O2 Compensation:
â—† Select Off when the amount of O
2
is less than 30%.
â—† Select the other options in accordance with the O
2
concentration in the gas mixture.
If the AG module incorporates the O
2
module, the system directly uses the O
2
concentration detected by the O
2
module to make compensation. In this case,
O
2
Compensation is fixed to Off.
23.7.3 Entering the Standby Mode
You can set the AG module to one of the following modes according to the module status:
â– Select Meausure mode when you use the AG modue for monitoring.
â– Select Standby mode when you are not using the AG module.
The default operating mode is Measure. If you are not using the AG module, follow this procedure to enter the
Standby mode:
1. Select the AG numeric area or waveform area to enter the
Gas menu.
2. Select the desired gas tab.
3. Select the
Setup tab.
4. Set
Operating Mode to Standby.
MAC
4.0%
6% 0.88
×
------------------------
0.5%
0.77% 0.88
×
---------------------------------
50%
105% 0.88
×
------------------------------
++
2.04
==
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