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4. Voltage range setting
1. When the voltage is switched to the position 5V, the host provides the
maximum limited voltage output of about 5.1V.
2. When the voltage is switched to the position 5V, the host provides the
maximum limited voltage output of about 15.5V.
5. Parameter locking operation
1. Under normal working conditions, long press the knob for about 3S to lock
the voltage output parameters.
2. In the locking state, the locking icon will be displayed on the LCD. At this
time, the adjusting knob is inactive.
3. Long press the knob again for about 3S to release the parameter locking.
At this time, the voltage can be adjusted normally.
6. Sound ON/OFF
1. Turn on the power switch to turn on/off the sound function while pressing the
knob.
2. When the sound function is turned off, the alarm sound will also be heard if
the current exceeds the range.
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