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The Methods of Operation

Turn on your power supply
Plug-in your 24 pin power supply connector to mini tester
Check if the LED light does turn ON (+5V, +12V, +3.3V, -5V, -12V, +5VSB, PG needs to be shown with coresbonding numbers)
Plug-in HDD connector, check +12V, +5V
Remove HDD connector, plug-in P4/P6/P8 connector, check +12V
Remove P4/P6/P8 connector, Plug Floppy connector. Check +12V, +5V
Remove Floppy connector, plug-in SATA connector, check +12V, +5V, +3.3V

Voltage Source	20/24 pin (ATX-connector)
Voltage Test	+12V1, +5V, +3.3V, 5V-SB, +12V2, -12V
Connectors	ATX 20/24 pin, EPS-12V 8pin, P4-12V 4pin, PCIE 6pin, SATA 15pin, Molex 4pin, Floppy 4pin
Material	Aluminum (body), Plastic (connector base)
Alarm	P.G Value, Voltage Detect
LCD Display	1.67” x 0.77” (L x W)
Dimension	4.91” x 2.52” x 0.71” (L x W x H)