Waygate Technologies Krautkramer USM Go, Operating Manual

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5 Operation Distance-amplitude curve according to JIS Z3060-2002 (JISDAC)
5-102 Rev. 10 (06/2021) USM Go
5.19 Distance-amplitude curve
according to JIS Z3060-2002
(JISDAC)
The USM Go has an optional DAC function for the echo
evaluation by means of the distance-amplitude correc-
tion (DAC) and an additional class rating according to
JIS Z3060-2002.
With the function JISDAC, you can activate a distance-
amplitude curve according to JIS including three evalu-
ation lines marked with the letters L (low), M (medium),
and H (high). They are permanently connected to the
DAC and shifted accordingly if the gain is varied.
In addition, a class rating takes place. Flaw echoes are
evaluated according to their amplitude with reference to
their position within the set of curves:
Class I: Amplitude < Line L
Class II: Line L < Amplitude < Line M
Class III: Line M < Amplitude < Line H
Class IV: Amplitude < Line H
Activating JISDAC (DAC according to JIS)
– Switch to the second operating level.
– Select the function group EVAL .
– Select the function EVAL MODE and press a function
key to choose JISDAC .
– Switch back to the first operating level. The function
group JISDAC is now displayed there.
If a stored DAC curve exists, it becomes effective now.