User guide
WARNINGS
• Do not prime the infusion
set when attached to the
patient.
• The infusion set should 
be attached to the syrin-
ge before priming starts
• The infusion set must be
completely filled before it
is attached to the patient.
• Check that all air is elimi-
nated from the infusion 
set before administration
starts.
SECTION  9
47
PRIMING 
MAN 01/06/USA/p CRONO FIVE 11.10
The priming function is used for filling the infu-
sion set with drug from the syringe.  A total of
1.5 ml, in steps of 0.5 ml, can be primed using
the priming function. 
Priming can only take place when the pusher
is in the starting position for a new, full or par-
tial volume infusion. If another priming is
necessary during an ongoing infusion, the cli -
nician bolus can be used. 
The prime function is available at all the two
lock levels.
Priming procedure:
1. Depress the  button when the pump is in
OFF.
2. The display shows Pr. There are three dif-
ferent alternatives to choose from:
a. To postpone priming
b. To skip priming
c. To start priming
a. To postpone priming
Depress the   button and the   button
simultaneously; the pump will switch to  OFF;
or wait 10 seconds and the pump will automa-
tically switch to OFF.
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