2.2. KEYS
Key
°C/°F
MEM
REC
HOLD
MAX
MIN
A long press on the
instrument on.
When the instrument is on, a long press on
the
key switches it off. But it is not pos-
sible to switch the instrument off when it is
in record mode and is recording.
A short press on the
of the relative humidity, the temperature, or
the dew point (Dp).
A long press on the °C/°F key toggles the
unit in which the temperature is displayed
between °C and °F.
A short press on the MEM key records the
measurement and the date.
A long press on the REC key starts or stops
a recording session.
A short press on the
back-lighting.
A short press on the HOLD key freezes
the display.
A long press on the
activates the Bluetooth link.
A short press on the MAX MIN key opens
the MAX MIN mode; the current values
continue to be displayed.
A second press displays the maximum
value.
A third press displays the minimum value.
A fourth press results in a return to the
first-press condition and display of the
current values
A long press is used to exit from the MAX
MIN mode.
Function
key selects display
key switches on the
key activates or de-
12
key switches the