Tektronix 2230 Service Manual

Operating Information— 2230 Service
Reference memory. The written waveform
remains displayed on the crt. A control
MENU SELECTED FUNCTIONS
change or a delay of five seconds between
pressing the SAVE REF button and
selecting a memory location cancels the
SAVE request.
This part describes the Menu selected functions that
provide selection of parameters, settings, and features not
controlled by the front-panel switches.
In 4K acquisition mode, a choice may be
ACQ MODE SETUP TABLE
made to save the entire 4K acquisition or
the IK display window. To save a 4K
acquisition, press SAVE REF, then press
DISPLAY ON/OFF 1 twice. The 4K record
ACQ MODE SETUP TABLE controls the acquisition
mode setup using a table.
fills MEMORY 1, 2, and 3. To save only the
IK displayed window, press SAVE REF,
then press DISPLAY ON/OFF 1, then
DISPLAY ON/OFF 2. The IK display win
dow may also be saved in MEMORY 2 or 3
by pressing SAVE REF, then the desired
DISPLAY ON/OFF button.
SELECT MODE—Displays the acquisition modes in a
table. The desired modes for each sweep speed may
be selected using the SEC/DIV switch to select the
column, the CURSORS Position control selects the
row, and the SELECT C1/C2 switch toggles the choice
for the table position that is enclosed in a box.
Menu Select/DISPLAY ON/OFF
Switches—These buttons select one of
three memories that is either written to for
SWP LIMIT—Selects the number of acquisitions before
the acquisition system halts. SWP LIMIT may be reset
by changing any control that affects acquisition parame
ters.
saving a IK acquisition waveform (if SAVE
REF has been pressed) or toggles the refer
ence memory display on or off (if the SAVE
button has not been pressed). The stored
WEIGHT—Selects the weight of the last sample in
AVERAGE mode.
waveforms of all three memories can be
displayed at the same time. Two channels
A TRIG POS
acquired in CHOP or ALT may be stored in
a SAVE REF memory.
A TRIG POS selects the number of points acquired
prior to or following the trigger.
MENU CONTROL—When the WAVEFORM
DISPLAY
REFERENCE/MENU SELECT switch is in the
MENU SELECT position (button out), the
MEMORY switches control Menu Operation.
DISPLAY controls the selection of display parameters.
Waveforms are only displayed with menus
when a menu choice requires a waveform be
DELTA T MODE—Selects either DELTA TIME or ONE
OVER DELTA TIME for display in the readout.
displayed in order to perform the selected
change. The Menu allows selection of alternate
parameters and modes that override the
default front-panel settings.
VECTORS ON/OFF—Selects either DOTS or VEC
TORS as the waveform display mode. Vectors are not
allowed in REPETITIVE mode.
SAVE REF/- Switch—When pressed, the
next (to the right) Menu level is entered.
SMOOTH ON/OFF—Selects the process with which the
vector displays are produced when in PEAKDET or
ACCPEAK.
Menu Select/DISPLAY ON/OFF
Switches—These three buttons select
choices presented in the MENU. The - but
ton recalls the previous (to the left, higher)
Menu level. The t button selects the previ
With SMOOTH OFF, no reordering of the data points is
done, and vectors are drawn between all of the
minimum and maximum data points.
ous entry in the current Menu level. The i
button selects the next entry in the current
Menu level.
With SMOOTH ON, data points are reordered for
correct slope and interpolated for drawing a smooth
waveform. Smoothing looks at the change in value of
2-17

Tektronix 2230 Specifications

General

Brand	Tektronix
Model	2230
Category	Test Equipment
Language	English