Regular Blood Pressure Measurement; Getting Ready For Self-Measurement; Inserting The Batteries - Hartmann Tensoval duo control Instructions For Use Manual

2.4 Regular blood pressure
measurement
Numerous factors including physi-
cal exertion, taking drugs or the
time of day may have an impact on
blood pressure. Blood pressure
should therefore always be mea-
sured at the same time of day
under similar conditions.
Our heart may beat up to 100,000
times a day, producing 100,000
different blood pressure values.
200
SYS
160
120
80
DIA
40
180
140
100
60
PULSE
20
8 10 12 14
3. Getting ready for self-
measurement

3.1 Inserting the batteries

Open the battery cover in the direc-
tion of the arrow on the underside
of the device by applying gentle
pressure on the hook.
16 18 20 22 24 2
Time (Hours)
Insert the four "AA" size batteries
so that the positive (+) and nega-
tive (–) polarities match the mark-
ing of the polarities on the battery
compartment as indicated. If the
polarities do not match, the device
will not work and the batteries may
leak.
4 6
Replace the lid of the battery com-
partment, applying gentle pressure
until the hook snaps in place. The
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