APM SP-300 Series, User Manual

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The leading or lagging edge of the voltage waveform can by blanked with a phase angle set by
the Triac Dimmer function to regulate the active power, thus adjusting the lighting intensity in
the case of a luminary load.
2. Triac Dimmer
1. Press the ‘Triac Dimmer’ soft key to select the Triac Dimmer test mode.
2. Press the ‘Edit’ soft key to enter edit mode.
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Menu Operation
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Edge , to set the dimmer of leading edge
or trailing edge mode.
Degree , phase angle of the blanking period.
3. Press the ‘Save’ soft key to save the settings to non-volatile memory.
4. Press the [ESC] key to return to the previous screen then press the ‘Trigger’ key to load the
settings.
5. Press the ‘Trigger’ soft key to apply the test to the unit under test. Once pressed, it changes
to ‘Stop’.
5
.
2.3.5 Test Mode
This menu provides users a function to
compare the measured parameters with
that entered in testing parameters screen.
These include ‘I’, ‘Iac’, ‘Idc’, ‘Ipk’, ‘Is’, ‘P’,
‘PF’, ‘VA’, ‘CF’, ‘VAR’.
PASS or FAIL will displayed on the screen
accordingly.
Menu Operation
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TEST PASS