Tektronix 2252, Operator'S Manual, Page: 29 / 114

Controls, Connectors
,
and Indicators
CRT, Power, and Display
Refer to Figure 2-1 for location of items 1 through 9.
m ROWER Sw itch—Turns on or off instrument power. Press for ON or
OFF.
At least one Vertical MODE button will light when the power Is turned on.
The front-panel setup existing when the power is turned off will return
when the power is turned on again.
( I T ) A INTEN Control — Adjusts the brightness of the A trace.
( 3 ^ B INTEN C on trol—Adjusts the brightness of the B Delayed sweep
trace and the intensified zone on the A trace.
( 4 ^ FOCUS C o n tro l—Adjusts the focus of the crtdisplays (traces, readout,
and cursors).
( I T ) TRACE ROTATION C o n tro l—Aligns the crt trace with the horizontal
graticule lines. This is a screwdriver adjustment.
READOUT C on trol—Adjusts the brightness of the crt readout display
(includes all alphanumerics and cursors).
( 7^) SCALE ILLUM C on trol—Adjusts the illumination level of the graticule.
NOTE
Life of the graticule illumination lamps can be increased by
setting the SCALE ILLUM control for the minimum intensity
needed for viewing, and turning off scale illumination when
not needed.
B J BEAM FIND B utton—Locates off-screen and overscanned displays
when the button is held in. Limits the vertical and horizontal deflection
within the display area and unbianks the crt.
2252 Operators
2-1