Chart X-Axis (3 & 4)
(3) Displays the time stamp for the oldest data point (left hand side).
(4) Displays the time stamp for the newest data point (right hand side) or if the cursor is active it
displays the current cursor data point time stamp.
Chart Y-Axis (5 & 6)
(5) This is the minimum scale as defined by the autoscale or the user (refer to Section 3.4.31).
(6) This is the maximum scale as defined by the autoscale or the user (refer to Section 3.4.31).
Current Data Point Value (7)
Displays the current value of the newest data point unless the cursor is active then is displays the
current cursor data point value.
Units (8)
Displays the units of measure for the parameter that the user has selected.
Data Points (9)
Displays the last 240 data points recorded for the selected parameter.
Chart Cursor (10)
If the user wishes to know the value at any at a particular data point on the chart, the cursor can be
used. The cursor is activated by pressing the ( - ) key on the keypad and is represented by a vertical
line on the chart. The cursor can be moved left or right by the ( - ) or ( + ) key respectively. This cursor
location now represents the current data point value of interest. The cursor will stay with the chosen
data point and move with the updating chart. When the cursor finally hits the end of the chart it
deactivates and the current data point value will now be the latest data point entering the chart.
Mode (11)
This field indicates the CO concentration being measured in real-time.
Back (12)
Pressing back allows the user to access other menu items while the chart is still logging in the
background.
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