910-269-EN, Rev. B, June 2011
Adjusting the Pulser/Receiver (Conventional UT Mode) 91
4.3
Setting Reference Gain and Scanning Gain
Establishing the current system gain as the reference (base) level is useful for
inspections that require the establishment of a reference gain level, and then the
addition or subtraction of scanning gain.
To add scanning gain
1.
Press
[2
nd
F]
,
[GAIN] (REF dB)
.
The gain display reads:
REF XX.X + 0.0 dB
. Scanning gain can now be added or
subtracted.
2.
Press
[CHECK]
to select either the coarse or fine-adjustment mode.
Coarse adjustment varies the gain value by ±6 dB. Fine-adjustment varies the gain
value by ±0.1 dB.
3.
Use the
[UP]
and
[DOWN]
arrow keys or the adjustment knob to vary the
scanning gain.
While using the reference gain and scanning gain, the following parameters appear in
the
1/5 > Basic
submenu.
Add
Used to add the scanning gain to the reference gain and deactivate the reference
gain feature.
Scan dB
Used to toggle the scanning gain from the active level to 0.0 dB (reference level)
allowing a direct amplitude comparison to the reference indication.
Off
Used to exit the reference gain function without adding the scanning gain to the
base instrument gain.
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Summary of Contents for EPOCH 1000 Series
Page 30: ...910 269 EN Rev B June 2011 18 Preface Downloaded from ManualsNet com search engine ...
Page 50: ...910 269 EN Rev B June 2011 38 Chapter 1 Downloaded from ManualsNet com search engine ...
Page 60: ...910 269 EN Rev B June 2011 48 Chapter 2 Downloaded from ManualsNet com search engine ...
Page 100: ...910 269 EN Rev B June 2011 88 Chapter 3 Downloaded from ManualsNet com search engine ...
Page 186: ...910 269 EN Rev B June 2011 174 Chapter 9 Downloaded from ManualsNet com search engine ...
Page 206: ...910 269 EN Rev B June 2011 194 Chapter 10 Downloaded from ManualsNet com search engine ...
Page 258: ...910 269 EN Rev B June 2011 246 Chapter 12 Downloaded from ManualsNet com search engine ...
Page 280: ...910 269 EN Rev B June 2011 268 Chapter 14 Downloaded from ManualsNet com search engine ...
Page 286: ...910 269 EN Rev B June 2011 274 Chapter 16 Downloaded from ManualsNet com search engine ...
Page 318: ...910 269 EN Rev B June 2011 306 Chapter 17 Downloaded from ManualsNet com search engine ...
Page 322: ...910 269 EN Rev B June 2011 310 Chapter 18 Downloaded from ManualsNet com search engine ...
Page 332: ...910 269 EN Rev B June 2011 320 Chapter 19 Downloaded from ManualsNet com search engine ...
Page 350: ...910 269 EN Rev B June 2011 338 List of Figures Downloaded from ManualsNet com search engine ...