Table 76: Programmable
Button Access Description
Start Operator
Pressing this key clears the graph, starts a new graph, sets
the time of day to the present clock time and begins the
trending. This key is only available if trending is stopped.
If the selected Chart Type is TRIGGERED and TRIGGER
ACTION is set to START, data collection will not begin until
the Triggers have been satisfied and any selected TRIGGER
DELAY has elapsed. Otherwise, data collection will begin
immediately.
Stop Operator
Pressing this key stops the trending. The trend data is frozen
on the display until another graph is started with the START
key. The STOP key is only available if trending is running.
Print
Allows the data on the trend screen to be printed in tabular
format. If set to EXISTING, a snapshot of the data presently
on the screen is sent to the printer. If set to NEW, all data
collected after pressing this key will be sent to the printer
as it is collected. If set to DISABLED, no data is sent to the
printer. See Printing for printout examples.
Data Select
Allows the user to display all trended data points
simultaneously or select a single trended data point for
display, hiding the other data points. Selections are ALL
DATA or DATA POINT X (1-6).
Y-Axis
This key toggles the Y-Axis labels of the graph. Each
key press changes the label to another of the selected
parameters.
X-Axis
This key toggles the X-Axis labels of the graph. Each key
press alternates the scaling between time of day and
elapsed time. The Time of Day scaling is in 24-hour format.
The Elapsed Time scaling is the time elapsed since the START
key was pressed, starting the trending.
Table 77: Navigation
Button Description
Home Causes a return to the Home Screen.
History Causes a return to the History Screen.
Trend Setup
Access Level Required: operator
Only displayed if the trending is stopped. Causes a jump to a subscreen
for configuring the trending display.
YMC
2
Mod B with OptiView
™
Control Center
94
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