The Connection Of 1Khz/5V Square-Wave Test Signal; Front Panel And Keys Overview - TECPEL OS Series User Manual

OS Series Handheld DSO & DMM 5-Input Connections

5.1.2 The connection of 1KHz/5V Square-wave test signal

At the left side of the oscilloscope, it is a port for testing 1 KHz/5V square-wave
signal which is used to adjust the probe, shown as Fig.3
Fig.3. The connection of Square-wave test signal

5.2 Front Panel and Keys Overview

See the following Figure 4:
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