GE USM 36 Series Technical Reference And Operating Manual page 190

5 Operation
– Select the function group CNDAC.
– Press one of the selector keys to display the specific
function groups and functions for the CNDAC.
– Select the function CODE NAME and select the re-
quired standard.
– Switch over to the function BLOCK and choose the
suitable reference block (see Section Standards and
reference blocks, page 5-112).
5-114
Distance-amplitude curve according to JB/T4730 and GB 11345 (CNDAC)
– Select the function gate a start and position the gate
A on the first DAC echo.
– Select the function AUTO80 and press one of the se-
lector keys to automatically set the echo to 80 %
screen height.
– Select the function RECORD and press one of the
selector keys to store the first DAC point. The record-
ing is confirmed by the indication (1 POINT). After
this, the function gate a start is automatically select-
ed.
Issue 2 (12/2013) USM 36