USER'S GUIDE ____________________________________________________________________
124 __________________________________________________________________ M211187EN-C
Background Luminance Sensor
The hardware and measurement monitoring of LM21 Background
Luminance Sensor is done by the sensor itself. Refer to the LM21 User's
Guide (see section Related Manuals on page 9) for the monitored
parameters.
Error Log
All indications, warnings, alarms, and errors resulting from internal
monitoring are stored in the error log for maintenance purposes. The
error log contents can be read with the advanced level command
ELOG
.
Example of an error log:
1> elog
Visibility sensor:
Window contamination warning: total 2, first #1, last #3
Backscatter high: total 1, first #2, last #2
Interface unit:
No errors logged
The first and last appearance of errors is calculated from the last
ELOG
CLEAR
command. The counters are reset with the
ELOG CLEAR
command.
