Tektronix, Inc. P6240, Руководство пользователя, Страница: 201 / 321

Selecting Groups and Channels
TLS 216 User Manual
3–119
which group is selected, look at the group readout. It always indicates the
selected group.
H
The logic scope does not depend on the selected group to determine its
trigger source. You define the trigger source independently in the Main
Trigger menu or Delayed Trigger menu.
To select a reference waveform group (as opposed to a live waveform group), do
the following steps.
1. Press the MORE group selection button. The More Group menu will appear.
2. Press Reference Group (main). Select from Ref1 through Ref4 (side).
NOTE
. If references are empty (appear shaded in the Select Ref menu), you
cannot display them. The article Saving and Recalling Waveforms, which begins
on page 3–109, describes saving and recalling waveforms. In particular, To
Display a Stored Group, on page 3–113, covers using reference groups.
If a reference group is turned off its Display Mode menu, selecting it switches its
display mode to Analog, so it is automatically displayed.
To Select a Channel
To designate one channel as the selected channel within the selected group,
perform the following steps.
1. Select a live or reference group as previously described.
2. Press Group Definition (main)
➞
Selected Channel (side). Use the general
purpose knob or key pad to designate the selected channel in the group.
To Remove a Group from the Display
To remove a group from display, do the following steps.
1. Press the group selection button (GROUP1 through GROUP8) to select the
group you want to remove from the display.
2. Press the GROUP OFF button to remove the currently selected group.
To display a group that is turned off, turn it on in the group mode menu:
Press GROUP MENU
➞
Group Definition (main)
➞
Analog, Bus, or Timing
Diagram (side).
Selecting Reference
Groups