Vii.keys, Rotary Switch And Input Terminals - UNI-T UT181A Operating Manual

VII. Keys, Rotary Switch and Input Terminals
( 1 ) K e y s
The 14 keys on the meter are used to activate the selected features of extensible rotary switch, browse menus or control the
meter power.
The keys shown in Figure 3 are described in the following table.
。
Key
Turn on or turn off the meter power
Select the sub-functions and modes related to the functions of rotary switch.
F1 F2 F3 F4
Cursor keys are used to select menu items, scroll reading information and input data
◄ ►
矗 ...
Keep the current reading on the display
HOLD
Switch the range mode of the meter to manual mode, then take turns to switch between all
RANGE
the available ranges. Long press the button to return to automatic range measurement.
MAX MIN Starts to record MIN MAX values
Press to select the complex function. Long press to enter Help Menu.
SELECT@
Press the key to switch the backlight brightness. Long press it to turn off backlight.
�
(2) Rotary Switch ( s ee Figure 4)
Knob
Measurement of AC Voltage
V
Measurement of mV in AC and mV in AC+DC
mv
Measurement of voltage in DC and AC+DC
v
Measurement of mV in AC and temperature
mv°C ° F
Measurement of resistance, continuity and specific conductance
OnS·•>l
Diode test and capacitance measurement
号-If-
Function
Function
Model UT181A: OPERATING MANUAL