Tektronix 2221A User Manual

Front Panel
*r
Channel 1 A volts
Channel 2 A volts
Inactive Cursor (no box)
Trigger Point "T” Indicator
A Time (or HA Time)
SAVE REF Display Indicator
Acquisition Display Window
Active Cursor (box)
Figure 2-7: Digital (STORE) Mode Display
Other Readout Symbols
> Indicates uncalibrated volts/division or seconds/division switch settings.
I Appears before the Channel 2 voits/division readout when INVERT is
on.
g
uj Appears next to the volts/division readouts when the BW LIMIT switch
is on.
~ Appears above the volts/division readout volts symbol (V) if input cou
pling is set to AC. Also appears above the Trigger Level volts symbol
when the COUPL switch is set to LF REJ or when input coupling is set
to AC.
!
^ Precedes the voits/division readout if the input coupling is set to GND.
Replaces the A symbol in the A volts readout when making ground-ref
erenced voltage measurements.
c Indicates a compressed 4K record.
% Replaces the volts symbol (V) whenever the volts/division variable
(CAL) is in the uncalibrated position.
— Appears on the top graticule line below the SRQ, ADDR or PLOT
markings to indicate the status of the communications option (GPIB or
RS-232). A similar symbol under the SREF readouts 1, 2, 3, 4K (refer
ence memories) or A (current acquisition) indicates which of these
waveform displays is currently selected for cursor measurement.
2221A User Manual
2-7

Tektronix 2221A Specifications

General

Brand	Tektronix
Model	2221A
Category	Test Equipment
Language	English