7 First steps
16
7.2.2 Mains operation
Connect the instrument plug of the mains unit to the mains unit socket
on the measuring instrument.
Connect the mains plug of the mains unit to a mains socket.
The measuring instrument is powered via the mains unit.
If the instrument is switched off and an energy storage unit is inserted,
the charging process will start automatically. Switching the measuring
instrument on stops the charging of the energy storage unit and the
measuring instrument is powered via the mains unit.
For longer measurements involving mains operation, Testo
recommends using a combustion air temperature probe with connecti
cable. Self-heating of the instrument during mains operation may
influence the combustion air temperature measurement using a mini
ambient air probe.
7.3 Touchscreen operating concept
Familiarize yourself with the touchscreen operating concept before you use the
measuring instrument.
Actions are mostly carried out by:
Description
To open applications, select menu symbols,
press buttons on the display or enter characters
with the keypad, in each case tap these with a
finger.
Swipe to the right or left on the display to show
further views, e.g. to switch from the list view to
the graphic view.
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