222
DSO Operators-How
It
Works
4.7
VERTICAL INPUT COUPLING
Press the or
ItH
SELECTICOUPLING button to select the
active channel. Press the button a second time to display the
coupling menu for that channel.
CHI
OFF
Press the button repeatedly to cycle through the coupling
choices (except channel OFF) while the menu is displayed. After
the correct choice is selected, press to remove the menu
from the display.
Press
DC~,
AC~,
or GND
4
to select
that input coupling directly. The menu is cleared when a direct
choice is made using a menu-select button. See Section
6,
para.
6.4
for a discussion of the coupling types.
Press
CHI OFF (or CH2 OFF)
4
to turn the selected
channel's trace off; channel OFF is not selected when switching
through the input coupling choices using the channel-select
buttons. When a channel's trace is off, the word "OFF" is dis-
played in place of the
VOLTSIDIV readout for that channel. Both
channel traces may be turned off. If a signal is applied to a chan-
nel that is off, that channel will be turned back on again when
using the Auto Setup feature.
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