Power Supply (Ac) Operation; Touchscreen Operating Concept - TESTO 300 Pro Smoke Edition Manual

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7 First steps

7.2.2 Power Supply (AC) operation

1 Connect the instrument plug of the power supply to the power supply
socket on the measuring instrument.
2 Connect the power plug of the power supply to an outlet.

The measuring instrument is powered via the power supply.

If the instrument is turned off and a power plug is inserted, the
charging process will start automatically. Switching the measuring
instrument on stops the charging of the battery and the measuring
instrument is powered via the power supply.
For longer measurements involving AC operation, Testo recommends
using a combustion air temperature probe with connection cable. Self-
heating of the instrument during AC operation may influence the
combustion air temperature measurement using a mini ambient air
probe.

Touchscreen operating concept

7.3
Familiarize yourself with the touchscreen operating concept before you use the
measuring instrument.
Actions are mostly performed by:
Description
Tapping
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.
Swiping
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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