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Left Button (help)
For numeric items, this button is used to select which digit in a numeric entry is selected for
editing. For other items or when the left most digit is already selected for numeric items,
pressing and holding this button down displays a brief description of the current item.
Right Button (range)
For numeric items, this button is used to select which digit in a numeric entry is selected for
editing. For other items or when the right most digit is already selected for numeric items,
pressing and holding this button down displays the range and units for the current item.
Stop Button
Disables output of pulses on all channels.
Run Button
Enables output of pulses.
Back Panel
QC Connectors
There are three (3) QC connectors on the rear of the 9412/9412A, 2 outputs and 1 input.
T1
Channel 1 output -- a general-purpose pulse output, with programmable delay, pulse width, and
pulse polarity. The maximum output voltage is adjustable and varies from 20 Volts open-
circuit to 10 Volts when driving a 50 Ohm load. The maximum voltage is adjusted by a poten-
tiometer located on the back of the 9412/9412A.