Selecting The Vertical Mode And Scale; Figure 3-2: Horizontal Display Controls - Tektronix 2221A User Manual

2221A User Manual

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:
C H 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.)
Displaying signals
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