5 Operation
Setting up CNDAC
– Select the function group SETUP. The function CN-
DAC MODE is automatically set to ON.
– Select the function CNDAC DISPLAY and press one
of the selector keys to turn the evaluation line on.
– Select the function group GATE A and position the
gate in the expectancy range of the echoes.
– Adjust the gain.
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Distance-amplitude curve according to JB/T4730 and GB 11345 (CNDAC)
– Select the function CNDAC TYPE and choose the re-
quired line display mode (STRAIGHT, CURVED, or
POLYNOMIAL). Depending on the choice, the val-
ues for SLA, A%rA, SLB, and A%rB slightly vary.
Issue 2 (12/2013)
USM 36