Section 3 - Configuring the VM700A
3-14
VM700A Option 01 (NTSC) & Option 11 (PAL) User Manual
The Auto_Limit Files directory contains limit files used by Auto mode. A limit
file lists all the measurements available for the Auto mode. Each measurement
has limits that, when exceeded, produce Caution or Alarm messages on the
display and can generate error logging. Both Caution and Alarm limits can be set
for every measurement.
The Auto Limit file in use is specified by the active file in the Video_Source
Files directory. A file from the Selected Measurements directory is used in
conjunction with a file from the Auto_Limit Files directory to provide Auto
mode with a list of measurements to be made, as well as the limits for those
measurements.
The first line of each file in the Auto_Limit Files directory is the title line for
identification of the file. The second line sets the number of consecutive times
the VM700A must find a value outside either of its Alarm limits before sending
a report of the error to the Log Port.
NOTE. All Cautions and Alarms encountered in Auto mode are displayed on the
VM700A screen, but only Alarms equal to or exceeding the consecutive errors
number specified in the active Auto Limits file are sent to the Log port.
To Change the Consecutive Error(s) Before Logging Value. Rotate the control knob
to scroll the screen until the “consecutive error(s) before logging” line is
highlighted.
Touch the number at the front of the line.
Rotate the control knob to select either 1, 2, or 3.
Select the Accept Input soft key or touch the screen anywhere inside the
directory window to return the control knob to its scrolling function.
The next two lines after the “consecutive errors before logging” line contain
non-editable label information. Each line of the rest of the file lists the name of
an Auto mode measurement, along with its lower and upper Caution limits and
its lower and upper Alarm limits.
To Change the Lower or Upper Limit of a Caution or Alarm. Rotate the control knob
to scroll the screen until the line with the limit you wish to change is highlighted.
Touch the limit you wish to change or remove.
Scroll the control knob to display the desired value or select Make it
undefined if you wish to remove the limit.
Select the Accept Input soft key or touch the screen anywhere inside the
directory window to return the control knob to its scrolling function.
Auto_Limit Files
(Directory)
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