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4.5.2
BSCAN Modes
BSCAN modes may be changed in the
DISPLAY
sub-menu – see 4.7. DISPLAY
Sub-Menu (SETTING).
There are three BSCAN modes:
-
THICKNESS – for thickness measurement graphic presentation simultaneously
with A-scan – for details see 4.5.3. THICKNESS – Thickness Measuring;
-
R-G-B palette – for colour palette presentation of measured signal amplitudes
(without A-scan presentation) – for details see 4.5.4. R-G-B Palette.
-
TOFD (BW) – grey scale palette presentation of measured signal amplitudes with
A-scan presentation in the bottom part of the screen used for TOFD (Time Of
Flight Diffraction) technique – for details see 4.5.5. TOFD (BW) – Time Of Flight
Diffraction.
NOTE: For better visibility in any mode, menu descriptions may be hidden by
depressing the MENU key.
If an incremental encoder (IRC) had been connected to the instrument, then BSCAN
deployment depends on incoming pulses rate – IRC_RATE.
IRC_RATE value (in
SETTING
→
DISPLAY
sub-menu – see 4.7.6 in 4.7. DISPLAY
Sub-Menu (SETTING)) determines number of pulses per one scan line in the graph.
Negative IRC_RATE value enables reverse co-ordinates to match probe movement
direction with BSCAN orientation on the screen.