HP 54501A - Adjustment Locations of HP 54501 A CRT

HP
54501A
ADJUSTMENTS
CON
HEIGHT
V .LIN
\
V .HOLD-
H.PHASE
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 .