Tektronix 2247A

ES
4
Appendix A
Table A-2
MIN SETUP Control Settings?
B020100 and above
FRONT-PANEL CONTROL
MIN SETUP ACTION
HORIZONTAL MODE
Changes to ALT If B selected.
TRIGGER
A
LEVEL
Nominally
midway
between
peaks
of
A
SOURCE signal. Signal peaks must be
< (10 volts X probe multiplier).
B
LEVEL
Nominally
midway
between
peaks
of
B
CH 1 and CH 2 COUPLING
(Channel turned on)
VERTICAL MODE
CH 1, CH 2, and ADD
CH 1 and CH 2 VOLTS/DIV
A SEC/DIV
B SEC/DIV
CURSORS/TIME POSITION
SOURCE signal. Signal peaks must be
S (10 volts X probe multiplier) .
OC, if COUPLING set to GND or DC;
otherwise AC.
CH 1 and CH 2, if ADD only was selected;
otherwise only CH 1, or CH 2, or both as
selected,
Lowest value for which all waveform values
are within +2 divisions of ground.®
If Horizontal MODE Is X-Y, CH 1
VOLTS/DIV Is stepped down one additonal
setting.
One speed slower than the fastest speed
that displays one complete cycle of the
triggering signal, within the range 2 ms to
20 ns.c
Depending on Input signal characteristics,
\f more than one complete cycle can be
displayed at 20 ns, the A sweep may be
set to elther 50 ns or 20 ns.
5 ms, If TV FIELD selected; 10 jis, if TV
LINE selected.
20 ns, if A SEC/DIV was set to 20 ns or
50 ns by MIN SETUP; otherwise two speeds
faster than A SEC/DIV.
10 ys, If TV LINE selected.
Measurement reinitiallzed.
MIN
SETUP
only
sets
those
controls
listed.
All
other
front
panel
controls
remain
as
set
by the user.
Trace
and
readout
are
displayed
If
channel
is
active
when
MIN
SETUP
button
Is
pressed.
Sweep
speed
Is
set
the
same
regardiess
of
the
setting
of
the
X10
Horizontal
MAG
button.
2247A Operators
A-5