What Are Normal Blood Pressure Levels?; Changing The Batteries - visocor OM40 Mode D'emploi

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4. What are normal blood pressure levels
The World Health Organization (WHO) has
compiled the following overview for assess-
ing blood pressure levels:
Normal Threshold
pressure
Systolic Systolic
pressure pressure
119 120–139
Diastolic Diastolic
pressure pressure
79 80–89
* mmHg = millimetres of hydrargyrum (mercury)
** It is sufficient if one of the figures is too high
GB-42
1. Changing batteries
• Open the battery compartment
Remove the cover of the battery compart-
ment on the underside of the device.
• Insert batteries
High pres-
Take the old batteries out of the device and
sure
insert the new ones. Make sure the polarity
Systolic
is correct (there is a mark inside the battery
pressure
compartment).
140*
and/or **
• Close the battery compartment
Diastolic
Close the battery compartment by replacing
pressure
the cover.
90
• Please note:
Change the batteries
- if the battery symbol on the display appear-
safter the display segments have been
tested
- if the display fails to light up despite your
having pressed the Start button.
Always change all 4 batteries.
Maintenance