Hangzhou Zhongchuang Electronics Co., Ltd.
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4.2.2 System settings interface
Figure 3 system settings interface
On the system settings interface users can view the product model, serial number
and version number. The language, automatic power-off, brightness, power-on, and
buzzer can be set.
4.3 Test port
ET1080 Series uses the 3- and 5-terminal test ports at the same time, which is to
combine convenience and high accuracy for the test. See figure 4 for the test terminal.
Figure 4 Test port
The three-terminal test port of the instrument uses the standard rubber jack; therefore
the inexpensive rubber plug - alligator clip can be used as the test line. It is very
convenient to apply the extended test, but it has the drawback of low testing accuracy.
To improve the accuracy of the test line when using the extension line, ET43 Series is
also equipped with the five-terminal test notch for dedicated test fixture. It renders
possible the complete four-terminal measurement of the extension line, so as to ensure
the high testing accuracy.
5. Operation instruction
5.1 Startup and shutdown
Long press the power key to start the instrument and the measurement interface is
shown (default); press and hold the key (for more than 2 seconds) to turn off the
