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Selection
Function
Automatic mode for resistance, continuity, capacitance and
RCDC
diode test. Manual selection of AC/DC with
control
Activates the mode for power measurement. Manual selection
of active, reactive and apparent power, as well as power
testo 770-3
only
measurement for direct current/voltage with
Automatic mode for µA measurement. Manual selection of
testo 770-2/-
AC/DC with
3 only
5.5. Further functions
®
Bluetooth
(testo 770-3 only)
>
Enable Bluetooth
switch from
[OFF]
>
Disable Bluetooth
HOLD
>
Activate function: press
-
the current reading is recorded and
>
Exit function: press
-
the current measurement is displayed.
The Hold function can be used from all measuring modes.
MAX/MIN/AVG
[
]
allows for switching between maximum, minimum and the periodic
display of AVG values.
This function is disabled in the default setting.
>
Activate function: press
-
Max value is displayed.
>
Display min value and periodic display of AVG values:
press
[
]
>
Exit function: press
This function can be activated in all measuring modes
function is not available at capacitance measurement with testo
770-1 and testo
When pressing
AC/DC
last-selected AC/DC setting. In all other operating states, you
can select what you need by briefly pressing the
via the rotary switch itself:
•
Voltage measurement and measurement with a
thermocouple adapter: select
[
].
®
: press and hold down
to a function. Then release
®
: turn rotary switch to [OFF].
[HOLD]
[HOLD]
<1 s.
[
]
<1 s each time.
[
]
>2 s or [HOLD].
770-2).
[
]
in
current measurement mode, the instrument retains the
[
]
and turn the rotary
[
<1 s.
HOLD
is shown on the LC display.
<1 s.
AUTO AC/DC
voltage mode or
5 Overview
[
].
[
].
].
(this
AUTO
[
]
key or
9
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