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Turn the Tonometer over so
that its front panel is facing
downwards.
Slide the battery case cover
in the direction of the arrow
marked on it.
Insert / replace the two AAA
batteries in such a way so
that their «+» (positive) and
«–» (negative) contacts would
match the polarities marked
inside the battery case.
Put the battery case cover
back on.
press your
fi
nger
against the housing
slide the cover in
as far as it can go
Attention!
Immediately after inserting the batteries, switch
the Tonometer on and o
ff
by shortly pressing the On/O
ff
button.
This is done to check proper installation of the batteries, and
the Tonometer is set into the micro-consumption mode.
2.2. Functionality Checkup Using the Tester
The Tonometer func onality is to be checked on the tester at
least
once a week
, as well as in the following cases:
• a er long idle periods
• a er dropping the device
• a er changing the ba eries
• in any other cases when you doubt if the Tonometer
works properly
To check the Tonometer functionality on the tester, do as
follows:
Open the Tonometer case.
Take the device out and put the opened case with the
tester on a table.
Position the Tonometer with the rod up and take the
protective cap o
ff
.
Shortly press the On/O
ff
button to switch the
Tonometer on.
A moving arrow displayed in the Tonometer window
indicates its readiness for operation.
Hold the Tonometer with your
fi
ngers by the cylinder-
shaped part of its housing.
!
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