<16. COMMISSIONING OF SENCOM pH/ORP>
16-18
IM 12A01A02-01E 8th Edition : Oct. 01, 2015-00
16.7.2 Trend
This screen is used to make settings for the Trend Graph Screen.
Set the process parameters to be displayed for each trend. They can be set for the 1st to 3rd
trends. When all three process parameters are set “Empty”, there is no trend display (no trend
button).
l X-axis: Timing
Select the X-axis timing’s time span on the trend graph display from a list.
l Y-axis: Limits
Set the Y-axis high and low limits on the trend graph display on a Trend screen basis.
NOTE
Updating the trend display setup resets the current trend graph and starts a new one.
16.7.3 Auto Return
When no operation is performed for the time set in “Auto Return”, the display returns to the
Monitor display (or to the Main display when the MONITOR display is disabled) and the analyzer
returns to a normal measuring mode. (When the Trend display is selected, the Auto Return
doesn’t work.)
Select the time from among Disable, 10 min, and 60 min. When the Auto Return function is not
used, select “Disable.”
NOTE
A default is “10 min”. When maintenance like a calibration that may take much time is performed,
“60 min” or “Disable” is recommended to be selected.
16.7.4 Adjust contrast
The LCD screen contrast can be adjusted.
Pressing the ▲▼ keys adjusts the contrast in 11 levels from +5 to –5 (including the default value
of “0”).
16.7.5 MONITOR display
Select “Enable” so that the Monitor display becomes available. A default is “Enable”.
During Hold/Wash condition and a warning/fault condition, the Main display is displayed to
indicate the condition.
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