UNI-T UT30B Operating Manual page 28

9. Square Wave Output:(Only UT30D) (see figure 10)
1) To avoid damages to the meter, do
not let output terminal reach
higher then 10V voltage.
2) The frequency is 50Hz.
3) The output voltage range will be
over 3V when it is loaded 1M .
4) Use square wave output to repair
audio equipment.
Model UT30B/C/D/F: OPERATING MANUAL
H.Make Measurements(11)
28
black red
(figure10)