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The "main menu" screen is shown in figure 7. The top status bar shows the current date, time, the
insert status of the U disk, the connection status of the external printer, the test mode (and
corresponding additional information), and the battery power of the instrument host. The bottom
displays software version number, hardware version number and device number. The middle is the
model name of the instrument and the optional function menu.
Press the up and down keys to select the corresponding function menu; press the "ENTER" key to
enter the selected function menu; "system parameter setting" menu is for debugging in the factory, and
it is not open to users.
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Wireless test mode, which shows the battery power of the voltage collector and the received
wireless signal strength. When the power is low, the battery symbol flickers. When the wireless
signal is not received, the wireless signal strength shows "?", and the alarm will be issued the
sound like “di.. di ..di ..” during the test.
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Wired test mode, which displays the status of voltage collector battery and wired connection.
When the power is low, the battery symbol flickers. Connection success shows up and down arrow
mark, and connection failure displays "?",and the alarm will be issued the sound like “di.. di ..di ..”
during the test.
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Induction test mode, which does not display related status of voltage collector .
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This icon indicates that the U disk has been inserted and initialized successfully.
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This icon indicates that the external printer is successfully connected.
7.3.2 Test Parameter Setting
Select "start live test" on the "main menu" screen and press "ENTER" key to enter "test parameter
settings" screen, as shown in figure 8.
Press the up and down key to select the setting items,and press "ENTER" or right key to enter the
specific numerical setting. When the cursor is in the specific numerical position, press the up and down
key to adjust the value, and press "ENTER" key or left key to return to the project selection.
The prompt window on the right shows the operating instructions and important tips for the
corresponding settings.