Daktronics 4200 Series Digital Billboard - Manual (Page 14)

10
Display too bright 1. Immediately call Daktronics help desk and
have them blank the display.
2. Verify the Multi-Direction Light Sensor (MDLS)
is connected.
3. Inspect the area for a light source shining on
the Multi-Direction Light Sensor (MDLS). This
may cause incorrect readings. If necessary,
relocate the MDLS to a different area.
4. Verify the MDLS is mounted correctly. If not,
remount the MDLS.
5. Have the help desk verify that the MDLS is set
to multi-direction and automatic.
Display too dim 1. Verify the MDLS is connected.
2. Verify the MDLS is mounted correctly. If not,
remount the MDLS.
3. Verify there is no debris or excessive dirt
buildup on the three MDLS windows.
4. Have the help desk verify that the MDLS is set
to multi-direction and automatic.
5. Have the help desk verify the display is
not experiencing thermal dimming due to
excessive heat.
Display Troubleshooting