MUSTOOL FS8330Pro - Page 12

4. Operation guide
4.1 Reading hold
During measurement, if it is required to hold reading,
touch button, value on display will be locked, touch
button again, to cancel reading hold.
4.2 Torch
1)
4.3
10
Long press the flashlight button for 2 seconds, turn on
the flashlight, and turn it off after about 1 minute.
Auto Power -Off