Using Software Options
Part # 910-250C
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4. Once all desired DAC curve points are drawn, press DONE [F2] to complete the DAC
curve and begin inspection.
Note: If at any time, the operator needs to delete a point during DAC setup, the
DEL PT key [F4] deletes the last point taken for the DAC curve. If the
operator needs to delete ALL points taken for a particular DAC setup, the
DEL ALL key [F3] deletes all points taken during setup. These functions are
accessible only during DAC curve setup.
Once the 20%-80% DAC curve is completed, the operator can toggle between DAC and
TVG views, manipulate RANGE, ZERO OFFSET and ANGLE, and add necessary
scanning gain or transfer correction. 20%-80% DAC also incorporates reference
correction functionality, if desired.
9.4.6 Custom DAC Curves Option
The Advanced DAC/TVG software option features a customizable DAC curve setup that
allows operators to define up to three additional reference curves from the primary curve
at varying levels from -24 dB to +6 dB. The Custom DAC Curves option is ideal for
unique sizing inspections and procedure development. The Custom DAC Curves function
also allows the option of either a straight-line connection or a curved, polynomial
connection of each point of the DAC curve to meet various international or customer
requirements.
To activate and set up the customized curves, follow the steps below:
1. Select the CUSTOM feature from the ADV. DAC/TVG option in the Options Menu
by highlighting the function and pressing [ENTER]. Press OPTION to display the
CUSTOM DAC CURVE menu.
2. In the CUSTOM DAC CURVE menu, use the UP and DOWN slewing keys to
highlight CURVE 1, CURVE 2, and/or CURVE 3.
3. Activate any combination of the three custom curves by highlighting that curve and
pressing [ENTER]. A “x” will appear in the box next to the curve name.
4. After selecting a custom curve, use the RIGHT and LEFT slewing keys to adjust the
curve level (from -24 dB to +6 dB). Repeat this for each selected curve.
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