26
4.5.2
Diagnostic displays
Display screen
Operation
Line 1 shows the amplifier gain.
Line 2 displays the signal strength.
Line 3 indicates the noise.
Change to more diagnostic displays by pressing
<NEXT>
.
4.5.3
Totalisers
The totaliser displays will only be shown when the totalisers are activated.
Display screen
Operation
The flow totaliser can be started or reset by
pressing
<Q
ON
>
when a volume measurement
is selected as one of the displayed units.
Totalizer screens are viewed by pressing
<NEXT>
from the measurement screen. When
top and bottom display lines are set to a volume
measurement, the first totalizer screen displays
cumulative totals and the second screen shows
separate positive and negative totals. Pressing
<NEXT>
again will return to the main measure-
ment screen.
Pressing
<Q
+
>
resets the total accumulated flow
in the positive flow direction.
Pressing
<Q->
resets the total accumulated flow
in the negative flow direction.
The totalisers can be stopped by pressing
<Q
OFF
>
.
Pressing
<Q
ON
>
again will reset to zero. Change
to other displays or revert to the totalizer screen
without resetting by pressing
<DISP>
or
<NEXT>
.
4.5.4
Datalogger
The datalogger is enabled from the Main Menu, and operates when a non-zero value
is entered for the interval.
Items to be logged are selected from the “Selection” screen. “ENTER” selects items,
“0” deselects. Up to ten items may be selected.
(Note : If no items are selected the logger will record blank space)
Send logger by serial port to a terminal program by selecting “Log download”.
Clear the logger by selecting “Log Erase”.
Remaining logger space can be seen in the Diagnostic displays.
Logged data can be downloaded, viewed and exported using the software
exce pt when "wrap" mode has been enabled.
Diagnostic screens
Totalisers