Shenzhen PM-9000 Express, Service Manual

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Chapter 2 Principles
2.3.2 System Task
NO Task Function Period
1 System initialization Initializing the system
In case of a
startup
2
Data processing Analyzing and saving the data 1 second
3
Display of timer
information
Implementing the timed refreshing 1 second
5
Switchover of modules
and screens Switching over between waveforms and
parameters on the screen
In case of a
screen change
event
6
Processing of user
commands and
screens
Processing the user inputs by buttons and
displaying them on the screen. In case of a
button event
7 System monitoring
System monitoring, voltage monitoring and
battery management
1 second
8
Network connection Implementing the network connection 1 second
9
Network data sending Sending the network data 1 second
10
Network data receiving Receiving the network data (viewbed) 1 second
11 ECG analysis
Analyzing ECG signal, calculating ECG values
(HR, ARR and ST), and saving the analysis
results.
1 second
12
Record output Outputting records
In case of a
record event
13 NIBP processing Implementing NIBP-related processing 1 second
14 WATCHDOG task Managing the system watchdog 1 second
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