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The AGC function works well for most standard thickness gage applications and is by
default turned on. In some thickness applications, the receiver gain is set at or near its
maximum value. In such cases, turn off the AGC function to prevent reading
instability.
12. For single element transducers only, set AVERAGING to OFF to turn thickness
averaging off, set AVERAGING to ON to perform a running average of the last
5 thickness readings, or set AVERAGING to On‑QBar to display a quality
measurement Q-bar below the measurement screen indicating the stability of the
averaged reading.
13. For dual element transducers only, set GAIN OPT to ON to activate the gain
optimization during the zero and material velocity calibrations (see "Material
Sound Velocity and the Zero Calibrations" on page 71 for details).
14. For dual element transducers only, set VPATH CAL ENABLE to ON to activate
the V-Path calibration option when you press [CAL VEL] (see "Building a V-Path
Correction Curve for a Nonstandard Dual Element Transducer" on page 216 for
details).
15. Press [MEAS] to return to the measurement screen.
9.2
Configuring System Parameters
The SYSTEM screen, allows you to configure many 38DL PLUS system parameters.
To configure system parameters
1.
From the measurement screen, press [SETUP MENU].
2.
In the menu, select SYSTEM.
The SYSTEM screen appears (see Figure 9-2 on page 130).
DMTA-10004-01EN, Rev. D, November 2016
Configuring the Instrument
129
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