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Tektronix 2245A User Manual

Tektronix 2245A
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Controls, Connectors, and Indicators
Vertical
Refer to Figure 2-2 for location of items 10 through 17.
(jo ) CH 1 and CH 2 POSITION Controls—Adjust vertical position of the
Channel 1 and Channel 2 waveform displays.
(Yu MODE Buttons—Select the vertical channels for display (CH 1, ADD
^ c h a n n e ls 1 and 2, CH 2, CH 3, and CH 4). The CHOP/ALT MODE
button selects method for switching input channels on the display
(chopped or alternating).
Except for CHOP/ALT modes, pressing an unlit mode button turns on
the mode, and pressing a lit button turns off the mode. CHOP is se
lected when the CHOP/ALT button is lit; ALT is selected when the
button is not lit.
CH 1, CH 2, CH 3, and CH 4—Select vertical channels for display.
At least one of the channels or ADD is always on and cannot be turned
off until another channel Is turned on.
CHOP/ALT—In the CHOP mode the display chops between selected
input channels at a rate of about 625 kHz. In the ALT mode, the se
lected channels are displayed in sequence (alternating at the end of
each sweep).
ADD—Displays the algebraic sum of the Channel 1 and Channel 2
input signals. The ADD display is in addition to any other selected
channel displays. In the ADD mode, a plus sign (+) is displayed
between the Channel 1 and Channel 2 VOLTS/DIV readouts.
NOTE
In ADD mode when AUTO LEVEL TRIGGER MODE or
CHOP VERTICAL MODE is selected, the algebraic sum of
Channel 1 and Channel 2 display provides the internal signal
source for the trigger system when the trigger source is
VERT.
2245A Opetators
2-3

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Tektronix 2245A Specifications

General IconGeneral
BrandTektronix
Model2245A
CategoryTest Equipment
LanguageEnglish

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