Displaying The Transducer Signal - GE DigitalFlow DF868 Programming Manual

Displaying the
Transducer Signal
Displaying Data
SIGNL
The submenu permits the direct graphical display of several
transducer signals. Specifically, the signals listed in Table 2-5 and
Table 2-6 below may be viewed in this format.
Table 2-5: Transit-Time Transducer Signals
Transducer Signal
Sup
Sdown
Cup
Cdown
CC
Table 2-6: TransFlection Transducer Signals
Transducer Signal
Corr
Sig
Complete the following steps to display the transducer signals:
Press the appropriate side of the
pane of the display screen, then proceed as follows:
Note: For this discussion, it is assumed that the left pane of the
display screen is active. If the right pane is active, it is only
necessary to replace the
[F8]
keys.
1. To access the Display Menu, press the
[F1]
2. Press [→] and =
The signal graph is a plot of signal amplitude (y-axis) vs. time in
microseconds (x-axis). When the
may briefly remain blank. As soon as the signal is acquired,
processed and loaded into the display memory, the graph will appear.
A cursor, which is displayed as a vertical line that extends the full
height of the graph window, is used to highlight any point in time
along the x-axis.
3. Use the [←], [→] and
The options are listed in Table 2-7 on page 2-12.
Description
upstream signal
downstream signal
upstream correlation
downstream correlation
cross-correlation
Description
correlated signal
receive signal
[SCREEN]
key to activate the desired
[F1]-[F4]
keys designations by the
[DISP]
key.
SIGNL
.
SIGNL
display screen first appears, it
[F1]-[F4]
keys to select the desired option.
March 2008
[F5]-
2-11