Adjustment Locations Of Hp 54501A Crt - HP 54501A Service Manual

100 mhz digitizing oscilloscope
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HP 54501A ADJUSTMENTS
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Figure 4-3. Adjustment Locations of HP 54501A CRT Monitor Assembly
4-7. Intensity, Sub-bright, and Contrast Adjustment
1 .
Set rear-panel INTENSITY to the mid-range setting .
2.
Adjust sweep board SUB-BRIGHT control to the lowest setting of brightness where lower-
intensity blocks on menu are visible on the CRT screen .
3 .
Turn rear-panel INTENSITY to bring up the intensity level on screen . Screen intensity should
be at a comfortable viewing level and the position of adjustment should be close to three-
quarter range .
4 .
Adjust CONT for the best contrast between low- and high-intensity blocks on menu ensuring
text is legible in low-intensity blocks.

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