
Quick Reference Guide Primus
Infinity Empowered
SW 4.5n
9
Operation Concept
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
Keys for selecting the carrier gas (N
2
O or Air):
The
N
2
O
or
Air
keys are used to select the gas to be
mixed with O
2
for the fresh gas.
B
Keys for selecting the ventilation mode:
The
Man.Spont.
,
Vol. Mode
,
Vol. AF
(optional),
Press. Mode
or
Press. Supp.
(optional) keys are
used to select the ventilation mode, or
(optional
external fresh-gas outlet).
C
Standard function keys
D
The Standby key
is used for switching from op-
eration to the
Standby
mode.
Keys with variable functions (soft
keys)
These complementary keys have variable functions.
They are used to set monitoring functions, configura-
tions, fresh-gas delivery, and ventilation parameters.
A
Keys for monitoring/configuration:
The keys for the various monitoring functions and
configurations have different functions depending
on the monitoring screen selected.
B
Keys for fresh-gas delivery:
The keys for setting the O
2
-concentration and the
fresh-gas flow.
C
Keys for the ventilation mode:
The keys for setting the parameters relevant to the
ventilation mode.
These soft keys have different functions, depending on
the operating status or ventilation mode.
The current parameter values are displayed.
301
– 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 re-
quired screen is displayed.
Return to the standard screen.
A
B
C
D
301
A
B
C