PCA Descriptions
6-2 Theory of Operation
PCA Descriptions
The sections following provide descriptions of the functions handled by each
PCA.
Control PCA
The Control PCA performs the following functions:
z System level processing.
z System level control and clock functions, including:
a. Control of power up and power down sequences.
b. Storage of configuration selections made by the user.
c. Storage of operating software, including data for generating
display formats and graphics.
z Main interconnection site between the other PCAs.
z User interface functions, including:
a. Generation and control of tones and audio prompts.
b. Generation and formatting of real-time information for the
display and for the printer.
c. Control of printer functions.
d. Control of indicator LEDs for Sync, Pacer, AC Power, Batt
Charge.
z Control of data to and from the Data Card.
z Control of defibrillation functions on the Power PCA, including:
a. Initiating a capacitor charge sequence.
b. Monitoring charge on capacitor.
c. Initiating a shock delivery sequence.
z Control of pacing functions on the Power PCA, including:
a. Starting/stopping pacing.
b. Controlling Rate and Output as selected by user, and monitor-
ing pacing current delivered.
z Control of the ECG front ends on the Parameter PCA (Leads ECG)
and Power PCA (Paddles/Pads ECG).
z Generation and regulation of the 5 volt logic power supply.
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