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5.3.
Switching the instrument on/off
Switching the instrument on
Testo recommends performing a leakage test before every series
of measurements:
> Seal off the probe shaft before switching on the instrument and
close the hose clamp on the bypass.
1. Press and hold down
display.
-
A segment test is carried out: all display segments light up for 2
s.
-
The firmware version is then displayed for 2 s.
assigned to the right function key and
left function key.
During this time, you have the following options:
> Set date/time: press
-
> Start leakage test: press
-
[set]
-
During this time, you have the following option:
> Open configuration menu: press [set].
-
> Carry out the basic settings, see Performing settings, page
-
If no function key is pressed, the instrument switches to the
measurement view, see Measuring, page 24.
If the service lid is not secured, incorrect measurements
will result:
> Check that the service lid is secured before
switching on the instrument.
[
The date/time menu is opened, see Date/time, page 22.
During first commissioning, this menu is opened
automatically.
The leakage test is started, see Performing the leakage test,
page 21.
is then assigned to the right function key for 2 s.
The configuration menu is opened, see Configuration menu,
page 22.
During first commissioning, this menu is opened
automatically.
22.
[
]
until something appears on the
[
].
[test
].
5 First steps
[test
]
is
]
is assigned to the
19
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