User Manual

5 Overview
8
5.3. Control key functions
Key Brief keypress function
(<1 s)
Long keypress function (>2 s)
On/off
Switch the instrument on
LC display illumination
on/off
Switch the instrument off
Voltage
Manual mode, switches
between AC and DC
measurements and mV and
V ranges.
Switch to AUTO voltage
mode when the instrument
is in RCDC measuring
mode.
Back to AUTO mode
Current
Activates manual mode,
switch between AC and DC
measuring mode and
between mA and µA
ranges (testo 760-2/-3
only).
Back to AUTO mode
testo 760-1
RCDC control
Switch between resistance,
capacitance, diode and
continuity
-
testo 760-2/-3
RCDC control
Activates manual mode,
switch between resistance,
capacitance, diode and
continuity
Back to AUTO mode
Temperature measurement
(with thermocouple adapter
connected)
Enable/disable the HOLD
function (refresh LC display
on/off)
-
testo 760-2/-3 only
- in AC voltage
measurement mode:
LPF (low-pass filter)
on/off
- switches between
frequency
measurement and
duty cycle
- in AC current
measurement mode:
LPF (low-pass filter)
on/off
In voltage measurement mode:
enables/disables the frequency
measurement/duty cycle
Switches between MAX,
MIN and AVG functions
Switch off recording mode