
Shantou Institute of Ultrasonic Instruments Co., Ltd.
8
Table 1-4 Description of Parameters and Symbols (Continued)
Parameter & Symbol
Description
HadB
dB difference between echo measurement point amplitude and gate
height within gate a. When in DAC curve mode, it means dB
difference between echo measurement point amplitude and the
current DAC curve selected.
CL
It refers to the echo measurement point position within gate under
DAC curve (display under DAC curve only)
EW
The flat-bottomed hole equivalent of echo measurement point within
gate under AVG curve (display under AVG curve only)
Rs Range
start.
Re Range
end.
1, 2, 3, 4
This coordinate reading corresponds to the distance value.
xxb
Gate b measure value displayed according to the selection.
*
Freeze activation indication. It is blank if freeze function is disabled.
/
Single/Dual Probe indicator.
Reject activation indicator: It is blank if reject is lower than 0.
Alarm indicator. In alarm state, the color changes and the mark is
filled and flashing. In non-alarm state, it is hollow.
Cine recording indicator, which flashes when start recording cine.
Battery capacity indicator.