Tektronix, Inc. P6240, User Manual

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TLS 216 User Manual
3–117
Selecting Groups and Channels
The TLS 216 Logic Scope applies the control changes you make, such as vertical
bandwidth, offset, position, and scale, to the selected group. To make these
changes to a group, or to define a group (choose the channels the group contains,
its display mode, and so on), you must first select it.
The logic scope also applies a limited number of control changes based on the
selected channel in the selected group. For example, Autoset, which automatical-
ly adjusts control settings based on the signals at its input channels, uses the
selected channel to determine the logic scope control setup. Also Measure, the
automatic measure feature, takes most automatic measurements on the selected
channel.
This article describes how to select a group and a channel within a group. To
read more articles that explain other key concepts about working with groups,
see To Find More Information on page 3–120.
To Check Which Group is Selected
To quickly determine which group is selected, always look at the Vertical
Readout. It always displays the selected group, with its group label shown in
reverse video. See Figure 3-55.
NOTE . The vertical readout varies its display according several rules. Read the
description To Check Group Settings on page 3–56 to become familiar with this
readout.
To Select a Group
Use the group selection buttons, to the right of the display, to select from groups
1 through 8 and to display the Group More menu. (Pressing MORE displays a
menu for selecting internally stored Ref waveform groups for display and
manipulation.) Do the following procedures to select a live or reference group.
To select a live waveform group (one that can acquire waveforms as opposed to a
reference waveform group that can only store and display them) do the following
steps.
1. Press any of group selection buttons GROUP 1 through GROUP 4 on the
right side of the display to select any one of groups 1 – 4.
Selecting Acquisition
Groups