Keys with permanent functions (hard keys)
The main functions for anesthesia, e.g., selecting
the carrier gas or ventilation mode, can be
achieved directly through keys with permanently
defined functions:
A
A Keys for selecting the carrier gas (N
The N
O or Air keys are used to select the gas
2
to be mixed with O
B Keys for selecting the ventilation mode:
The keys Man.Spont., Vol. Mode, Vol. AF (op-
tional), Press. Mode, or Press. Supp. (op-
tional) are used to select the ventilation mode,
or
(optional external fresh-gas outlet).
C Standard function keys:
– Suppress the acoustic alarm for
2 minutes.
– Change the priority of technical
alarms or acknowledge them.
Display in succession the three basic
monitoring screens: standard screen,
data screen, and trend screen.
Briefly press the key until the required
screen is displayed.
Return to the standard screen.
Instructions for use Primus Infinity Empowered SW 4.5n
B
O or Air):
2
for the fresh gas.
2
D The Standby key
operation to the Standby mode.
C
D
Operating concept
is used for switching from
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