Tektronix 222 Operator's Manual page 164

222 DSO User's Reference Card
ON-SCREEN READOUT LOCATIONS
2.7V
+
l&&
LLi z j J
1.
Trigger Level setting.
2. Trig SLOPE ( + or -).
3. STOREINONSTORE indicator.
SECIDIV of acquisition.
XI0 MAG indicator.
Recalled waveform number.
VAR symbol of recalled waveform.
VOLTS/DIV of recalled waveform.
SLOPE indicator of recalled waveform.
Channel coupling of recalled waveform.
SECIDIV of recalled waveform.
CHI INVERT svmbol.
CHI VAR symt;ol.
CHI VOLTSIDIV.
CHI coupling symbol.
Menu name.
Trigger position indicator on the waveform
CH2 INVERT svmbol.
CH2 VAR sym601.
CH2 VOLTSIDIV.
CH 2 coupling symbol.
External charge and battery indicator.
Menu selects.
SELECTING THE ACTIVE CHANNEL
Press
ICW' I
or to select the channel that
responds to the front panel control changes. The
VOLTSIDIV readout of the active channel is
boxed. Asecond press selects the input coupling
menu for that channel.
SELECTING STOREINONSTORE MODE
1.
Press to switch between STORE and
NONSTORE mode. "ST" is displayed in the
readout when STORE mode is on.
2. In STORE mode, the acquired waveform is
displayed between triggers. In NONSTORE
mode, a waveform is held only to the first display
update after being acquired unless triggered.
SELECTING TRlG POSITION
Press to cycle the trigger position
"
+
"
to
POST, MID, or PRE in STORE mode. The
"
+
"
is
displayed at the Trigger LEVEL setting and is seen
on the trigger channel if displayed.
SELECTING ACQUISITION MODE
1. Press
I"EPI
to select NORM, ENV. AVG, or
CONT ENV acquisition mode.
2. ENV acquisition is valid for SECIDIV settings
from 20 s to 20 JLS. Signal peaks in each sampling
interval are displayed. AVG mode gives a moving
average of the last four acquisitions. CONT ENV
accumulates peak variations of the input signal.
SAVING A WAVEFORM TO MEMORY
1.
Acquire the waveform you want to save.
2. PRESS SELECT
a
1 - n
2
- a
3. Acquisition stops when is pressed, and
the waveform is displayed when saved. If both
channels are displayed, choose the one to save
using the channel select buttons before saving.
RECALLING A WAVEFORM FROM MEMORY
1.
PRESS SELECT
NOTE: Selecting an empty memory will sound a
beep and leave the menu displayed.
NOTE:
A
box around the menu choice indicates
that the waveform is being displayed.
USING FRONT-PANEL STOREIRECALL
1. To save a setup, set all the controls to make
your measurement, select STORE in the SETUP
menu, then a memory location. To recall a stored
setup, select RECALL, then a memory location.
2. PRESS SELECT SELECT
STORE
1-
RECALL 2
- a
ERASE
ERASE ALL
m-ga
4 - u
NOTE: A memory with data stored is boxed. It will
be overwritten with new data if stored to.
NOTE: Selecting an empty memory will sound a
beep and leave the menu displayed.
3. Select ERASE to clear a stored memory. Press
to remove the menu display after you finish
erasing.
4 .
Selecting ERASE ALL, erases all four memory
locations and exits the menu.