Fnirsi FNIRSI-1C15, Quick Start Manual

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1. Charging: The upper right corner of the oscilloscope
displays the current remaining power. When the power
is insufficient, use the provided USB cable to connect
the 5V adapter for charging, and the charging current
is about 800ma. Note that the maximum output current
of the USB2.0 port of the computer is 500ma, and the
battery may not be fully charged. The maximum charging
voltage is 7V !!! , if you use a mobile phone to fast charge
the charging head voltage may exceed this voltage,
please do not use it.
2. Vertical / time base scale: Press the “mv” and
“V” buttons to adjust the vertical scale. Press the "ns"
and "s" buttons to adjust the horizontal time base
scale.
3. AUTO: One-button auto function is a more common-
ly used function in the oscilloscope. After the user
presses the "Auto" key, the oscilloscope will automati-
cally measure the amplitude and frequency of the
Operation Guide
05