Adjustment Procedures
TDS 420A, TDS 430A & TDS 460A Service Manual
5-23
H. PHASE (463)
Front of the Oscilloscope
Left Side of the
Oscilloscope
V. POS (R445)
VID. GAIN (R483)
BRITE (R482)
H. SYNC (R473)
V. LIN (R462)
V. SYNC (R453)
V. SIZE (R452)
H. LIN (L400)
H. SIZE (L310)
FOCUS (R411)
Figure 5- 11: Monitor Adjustment Locations
4. Adjust the display contrast:
a. Display the White Box test pattern:
H Press the center main-menu button to display the main-menu.
H Press the main-menu button Tests.
H Repeatedly press the side-menu button -- m o r e -- until White Box
appears in the side menu. P ush White Box.
H Press the main-menu button EXECUTE. Then press the side-menu
button Ok Confirm Run Test.
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