Tektronix 585 - Page 21

Operating Instructions — Type 585
STABILITY — Controls stabil-
rrrtvss oscilloscope
HOfilZOHTAL
INTENSITY — Adjusts bright 
ness of the oscilloscope dis
play.
ity of the oscilloscope dis-
play. \
5X MAGNIFIER — Provides a
5 times horizontal expansion
of the displayed waveform.
AMPLITUDE CALIBRATOR —
Controls the amplitude of
the calibrator square-waves
at the CAL. OUT. connector.
LENGTH — Controls length
the B sweep.
SCALE ILLUM. — Adjusts the
brightness of the graticule
markings.
DELAY-TIME MULTIPLIER —
Sets the delay time duration.
HORIZONTAL DISPLAY —
Selects the type of oscillo 
scope display which is pre 
sented.
TIME/CM and VARIABLE —
Controls the Time Base A
sweep speed, and horizontal
size of the displayed wave 
form.
FOCUS — Used in conjunc 
tion with the ASTIGMATISM
control to focus the oscillo 
scope display.
TRIGGERING LEVEL — Sets
the point of the triggering
waveform where the sweep
is triggered.
VARIABLE 10-1 — Controls
the gain of the horizontal
amplifier for external hori 
zontal input signals.
POWER — Controls line
power applied to the instru 
ment.
TRIGGERING SOURCE —
Selects the triggering signal
source .
ASTIGMATISM — Used in
conjunction with the FOCUS
control to obtain a sharply
focused trace.
HORIZONTAL POSITION
and VERNIER — Adjusts the
horizontal position of the
trace.
TIME BASE B — Time Base B
controls perform the same
functions as corresponding
Time Base A controls.
TRIGGER SLOPE — Deter 
mines whether the sweep is
triggered on the -f- or —
slope of the triggering wave 
form. /
Fig. 2-14. Functions of the front panel controls.
2-13