perthermia» can be observed – a condition which
can be characterized by the vessel constriction,
when the skin becomes pale and remains cold. In
such cases, temperature measurements on the
forehead should not be carried out, because the
temperature of the skin will be low.
8
PREPARATION FOR WORK
1
1 Open the battery cover.
2 Install the batteries according to the instruc-
tions on the case.
3 Close the battery cover.
OPERATING PRINCIPLES
9
AND PROCEDURES
BATTERY INDICATION
Normal
EN
2
Low
battery
precaution
3
Low
battery
39