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7.2.1.3
Main Board
—
Assigned Processor Tasks
Main processor and UI Processor
The processing core of the main unit is two micro controllers. The main and UI pro-
cessors are supplied with both +5 V and +3.3 V.
The processors are not operating when the ventilator is turned off and disconnected
from mains.
SD Card Interface
The COMM processor can transfer the ventilator data memory to an SD memory card.
The ventilator supports SD cards up to 32 GB.
USB Interface
The USB interface is for connecting the Vivo to a PC. When connected to a PC you can
download memory data, upgrade firmware, perform calibration and more.
62 Electronics
Vivo 45/Nippy 4 Series Service manual
Doc. 007132 D-2
Summary of Contents for Nippy 4 Series
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