Screen Markers
Table 6.2, "Screen Markers," on page 198
appear on the screen during normal data activity and where they would appear.
The markers change depending on if the signal goes High or Low, outside the Pen Scale,
or outside the Input Range.
Note: It is recommended to display DPMs on a chart to identify over-range and under-range
activity.
Upscale Burnout
Outside Range High
Input Range Top
Pen Scale Top
Displays as normal
Pen Scale Bottom
Input Range Bottom
Outside Range Low
Down scale Burnout
Invalid Reading
198
Table 6.2 : Screen Markers
DPM
Bar
1234.567
Bar
1234.567
1234.567
**** ****
shows different types of markers that may
Pointer
Chart
(horizontal
chart)
Trace at Max
Trace at Max
Trace
Trace at Min
Trace at Min
Trace at Min
43-TV-25-30 Iss.6 GLO Aug 07 UK
Valid
Data