Dakota Ultrasonics DFX-8 plus MANUAL1 - Manual (Page 18)

Dakota Ultrasonics
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REFERENCE GAIN: The gain (in dB) required to set the indication level to a specific
percentage of full screen height (FSH). This value will typically be set somewhere
between 20%–90%. Refer to page 60 for further info.
SHOW CURVE: Toggles the AWS correction curve on/off. Refer to page 60 for
further info.
% SCRN HEIGHT: This feature enables the user to set the reference level of the
TCG as a percentage of full screen height (FSH). Refer to page 60 for further info.
3.10 TCG – Menu
TCG: This feature toggles the TCG feature on/off. The Time Corrected Gain (TCG)
feature displays reflectors of equal size at equal A-Scan amplitudes, regardless of the
reflector’s depth in the test material. Refer to page 72 for further info.
REFERENCE GAIN: Toggles the DRAW mode on/off, and used to draw the TCG
curve. Refer to page 72 for further info.
CURVE: Toggles the TCG correction curve on/off, and the curve is displayed on the
screen. Refer to page 72 for further info.
% SCRN HEIGHT: This feature enables the user to set the reference level of the
TCG as a percentage of full screen height (FSH). Refer to page 72 for further info.
3.11 DAC – Menu
DAC: Toggles the DAC feature on/off/audible. A Distance Amplitude Correction
(DAC) curve is used to configure a variable threshold for the gate, using the same
size reflector at different distances. Refer to page 66 for further info.
DRAW: Toggles the DRAW mode on/off/audible, and used to draw the DAC curve.
Note: TCG curve cannot be drawn in RF view. Refer to page 66 for further info.