Grass Valley DMC 1000 v.12.4 - Manual (Page 173)

DMC 1000 Digital Media Camcorder User’s Guide (v4.0) 173
Chapter 14 - Maintenance
The current camcorder temperature is also shown.
4. When the temperature reaches 63 °C the black calibration starts and the following
message is shown in the viewfinder:
BLACK CALIBRATION IS RUNNING
RUNNING
The filter wheels turn and internal system messages might appear in the viewfinder.
These actions are part of the calibration procedure and can be ignored.
5. When black calibration has finished the camcorder restarts and the fans are switched on.