![background image](http://html1.mh-extra.com/html/campbell/skyvue-8m/skyvue-8m_product-manual_489150067.webp)
5.3 LED indicator
FIGURE 5-2. LED indicator
A green LED is visible through the window, see
(p. 62). It will give 0.5 second flashes
as follows:
Permanently on = top board firmware fault
1 flash every 10 seconds = OK, no fault
2 flashes every 10 seconds = warning (possible degraded performance)
3 flashes every 10 seconds = alarm (measurements not possible)
6. Messages
6.2 Checksums used in SkyVUE 8M messages
SkyVUE™8M Tactical LIDAR Ceilometer
62