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SYSTEM >> Diagnostics >> Screen Test White Pixel
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Program Update
The LPT-3000 offers convenient ways to update firmware. Copy the firmware
update file downloaded from the corporate website onto a USB flash memory.
Insert the USB flash memory into the front USB port, and press the appropriate
menu key. You will see a file list. Press the update menu key while placing the file
selection bar on the update file. A message reading “Program update success.
Reboot LPT-3000.” should appear in a status window on the lowest part of display
LCD, when the update was successful. Turn off the power to the analyzer and turn it
on again to apply the updated file.
SYSTEM >> Program Update
5-21. Trig
This selects the trigger mode of the analyzer.
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Free Run
When sweep is over, another sweep will immediately start.
TRIG >> Free Run
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Video
This is synchronized with an ascending angle of detection wave bigger than trigger
level, thus it will start a sweep.
TRIG >> Video
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Line
This is synchronized with AC power frequency, so it will start a sweep. Line trigger is
conveniently used when observing waves related to power.
TRIG >> Line
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External Pos Neg
This is synchronized with an external trigger source, thus, it will start a sweep. The
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