UNI-T UT81C Operating Manual page 18

F2: Set the Display Backlight
BK Light 15
F1 F2 F3
The brightness level from 0 to 31. Press F4 to
confirm, save and return. Press functional buttons
to exit, the setting is kept, but will not save. The
setting will be lost after power off.
F3: Set the LCD contrast
Contrast 15
F1 F2 F3
The contrast level from 0 to 31. Press F4 to confirm,
save and return. Press functional buttons to exit,
the setting is kept, but will not save. The setting will
be lost after power off.
16
ENTER
F4
ENTER
F4
Model UT81C: OPERATING MANUAL
F4: Set the beeps features, it can only be used under
resistance, diode and continuity measurement.
Beep ON OFF
F1 F2 F3
F2 : to turn the beep on
F3 : to turn the beep off
F4 : to confirm , save and return
Press functional buttons to exit, the setting is kept, but
will not save. The setting will be lost after power off.
ENTER
F4