Displaying signals
Figure 3-2: Horizontal Display Controls
Selecting the Vertical Mode and Scale
The vertical display controls allow you to adjust the vertical scale, position,
and mode.
I- ! Step 1: Select the channel you want with the CHI BOTH CH2 switch:
CH I — Displays Channel 1 only.
BOTH — Activates the ADD ALT CHOP switch for two-channel displays.
CH 2 — Displays Channel 2 only.
n Step 2: Preset the input coupling for that channel to ground (GND).
(Also refer to Precharging the Signal input, page 3-2.)
2221A User Manual
3-5