The information displayed in the channel status label is related to the current channel
setting (irrelevant with the on/off status of the channel). After the channel is turned
on, modify the parameters such as the vertical scale, horizontal time base, trigger
mode, and trigger level according to the input signal for easy observation and
measurement of the waveform.
When CH1 is enabled but not activated, its status label is as shown in the following
figure.
Click or tap the channel status label at the bottom of the screen or press the front-
panel
key to activate CH1. You can also select the CH1 tab in Vertical menu to
activate it.
Disable the Analog Channel
You can disable the analog channel in the following ways.
• If CH1 has been enabled and activated, you can press the front-panel
key
to disable it directly. You can also click or tap the channel status label at the
bottom of the screen to open the Vertical menu and then click or tap the label
again to disable the channel.
• If CH1 has been enabled but not activated, first activate the channel. Then press
the front-panel
key or use the channel status label to disable CH1.
• In
Figure 5.1
, set Display to OFF to disable CH1.
• In addition, you can slide down the channel label to disable the channel.
If CH1 is disabled, its status label is as shown in the figure below.
5.2 To Adjust the Vertical Scale
Vertical scale indicates the voltage value per grid in the vertical axis of the screen. It is
often expressed in V/div. Adjusting the vertical scale increases or decreases the
Vertical System
DHO900 User Guide
38
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