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ENGLISH
2.2 Main Unit
Front Panel
1 2 3 4 5 6 7 8 9
Figure 2.1 Front Panel
Note: The appearance described in this manual may be a lile dierent with the monitor you purchased,
for example, the operaon keys may be located at the right side of the front panel. But the operang
procedure is the same. Therefore, please refer to the monitor in your hand for details.
1. Power switch: Press it for 3 seconds to start the monitor or turn o the monitor.
2. ～AC power indicator: When it is light it means that AC power supply is being used
3. -Built-in DC power indicator:
When both AC and DC indicators are on, it means that AC power supply is applicable, and the baery is being
recharged. If only DC indicator is on, it means that the baery is being used.
4. ECG lead: Press to shi the ECG lead circulatory among I, II, III, aVR, aVL, aVF and V.
5. Alarm silence: Press the key to enable or disable the system alarm silence funcon. During the
monitoring process, when an alarm event acvates the system alarming, press “Alarm silence” key, then
the system alarm sound will be muted temporarily for 2 minutes. If an alarm event which persists aer the
period of 2 minutes silence, the system alarm sound will be acvated as well.
The maximal period of alarm silence is 2 minutes.
6. Freeze: Press the key to freeze/unfreeze ECG waveform or the waveforms of ECG, SpO
2
and RESP
according to the device seng, and enter into ST segment measurement screen for analysis (on Observing
Screen).
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