Checkline DFX-7 - Manual (Page 88)

Dakota Ultrasonics
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Note: The screenshots above show where all the possible locations for polarity
selection are found in the DFX-7. For more information on the above, refer to
the sections on VIEW, DAC, GT1, & GT2.
1) Press the MENU key once to activate the menu items tab. Press the MENU
key multiple times to tab right, and the ESC key multiple times to tab left,
until the DISP, DAC, GT1, or GT2 menu is highlighted and displaying the
submenu items.
2) Use the UP and DOWN arrow keys to scroll through the sub menu items
until VIEW, DPOLARITY, POLARITY1, or POLARITY2 is highlighted.
3) Use the LEFT and RIGHT arrow keys to toggle the VIEW, DPOLARITY,
POLARITY1, or POLARITY2 negative or positive.
4) Press the MEAS key to return to the measurement screen and begin taking
readings.
10.11 Detect Modes
The DFX-7 has three selectable modes of detection: Z-Cross, Flank, and Peak. The
following diagram illustrates the difference between the options: