984SB/C Environmental, Installation. and Preventive Maintenance Requirements 2-5 With the display sitting level, push down firmly on the top front of the display. This compresses the RFI gasketing and ensures proper contact with the mainframe. I Now push the sliding lock handles in, to secure the CRT to the mainframe. To remove the CRT, pull the sliding lock handles out and lift the CRT straight up. (Remember that two people are needed to lift the color display.) CRT Intensity Once the System 45 has been set up and is operating, CRT brightness is controlled by a small dial underneath the CRT.
It is located on the right-hand side of the 98458 Model 100 and on the left-hand side of the 98458 Model 200 and the 9845C. Note Hewlett-Packard products which use Cathode Ray Tubes are de- signed to limit X-radiation levels to values of 0.5 mR/hour 1 or below at Scm distance. This level has been established by the United States Bureau of Radiological Health and conforms to similar international reqUirements. All measurements are made using equipment that is VDE certified, and are conducted with the equipment operating unner normal conditions as well as worst case maladjustment. 1 mR/hour: MilIi-Roentgen per hour