5-5
5.1.10 Recorder
1. Print the ECG waveform. The recorder should print it normally and clearly. Set the recorder
to the fault of lack of paper and abnormal clip. There should be relevant prompting
messages on the main screen. When the fault is cleared, the patient monitor should become
normal.
2. Print the alarm messages of all parameters. Set the alarm print switch to ON for all
parameters, and set different alarm limits. Then the recorder should print the alarm message
in case of an alarm.
5.1.11 Power Supply
When the patient monitor is supplied with the external AC power, the Battery indicator becomes
ON. When it is disconnected from the external AC power, the Battery indicator becomes OFF.
After the patient monitor is started without assembling the batteries, “x” is displayed in the
battery indication frame on the main screen. After the batteries are assembled, the battery
electricity is displayed in the battery indication frame on the main screen. The patient monitor
can work normally with or without batteries. It, however, should give an alarm when the batteries
are exhausted.
5.1.12 Clock
Verify the correctness of the clock in the system test, and then set the clock to the current time.
5.1.13 System Test
Load all parameters, and conduct operations respectively on the loaded parameters. During the
synchronization, no exceptions (for example, mutual interference) occur. Set all parameter setups
in menus to the default values which are those at the time of software loading, and conduct
operations on the menus, for example, managing the patient information, recalling data, and so on.
All the operations should be done normally, and the corresponding functions should be correct
and meet the product requirements.
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