Functional Buttons - UNI-T UT81B Operating Manual

Model UT81B: OPERATING MANUAL

Functional Buttons

The buttons activate features that augment the function
selected with the rotary switch. The buttons are shown
in Table 2-2.
Figure 2-2. Functional Buttons
Table 2-2. Functional Buttons
Description
Buttons
Software functional buttons, details
F1, F2,
please refer to the below.
F3 and F4
Under scope mode, Press Range
Range
button to switch between DC and AC
measurement
Under scope mode, press Time button
Time
to set the X-axis of time base.
Under scope mode, press Trig button
Trig
to change the trigger mode.
In multimeter mode: Press Auto button
Auto
to enter autoranging mode when
measuring resistance, voltage and
current. This button is invalid when
measuring capacitance, diode, continuity
buzzer and capacitance.
In scope mode: Press Auto button to
set the amplitude and time base to auto.
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