Controls, Connectors, and Indicators
VERT—Selects the trigger signal from the displayed waveforms.
The TRIGGER MODEand Vertical MODE switch settings determine the
trigger signal source selection. When VERT is selected, one or more of
the SOURCE lights will be on to indicate the trigger signal source. See
Table 2-1 for VERT Trigger SOURCE selections.
CH 1 —The signal applied to the CH 1 OR X input connector is the
source of the trigger signal.
CH 2 —The signal applied to the CH 2 input connector is the source of
the trigger signal.
CH 3 —The signal applied to the CH 3 input connector Is the source of
the trigger signal.
CH 4 —The signal applied to the CH 4 input connector is the source of
the trigger signal.
LINE—The triggering signal Is obtained from asam ple of the ac power-
source waveform. This trigger source is useful when the displayed
waveform frequency is time related to the ac power-source frequency.
Table 2-1
VERT Trigger SOURCE
Trigger
and
Vertical
M odes
ADD
Mode
Trigger Source Selected
AUTO
LEVEL
or
CHOP
On
Algebraic sum of CH 1 and CH 2 input
signals.
Off
Lowest numbered vertical channel
displayed.
NON
AUTO
LEVEL
and
ALT
On
or
Off
Alternates between displayed vertical
channels in the following order: CH 1,
CH 2, CH 3, CH 4, and ADD.
2~1Q
2252 Operators
Summary of Contents for 2252
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