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Chapter 10 Digital Channel RIGOL
MSO7000/DS7000 User's Guide 10-3
D15-D8 channels.
Enable/disable a single digital channel
Press Dx On/Off to open the channel selection list. Rotate the multifunction
knob
to select a channel, and then press down the knob to enable or disable
it. You can also press Dx On/Off continuously to switch to select any channel,
and press down the multifunction knob
to enable or disable the channel.
You can also enable the touch screen to enable or disable the selected channel.
Besides, you can also enable the touch screen to tap the digital channel status
area at the bottom of the screen. Then, the LA window is displayed. In the
window, you can select the LA channel and set the threshold. Tap a single
channel to enable or disable the channel.
Note: While pressing D7-D0 to disable all the channels D7-D0, you can still
disable or enable any channel among D7-D0 through the Dx On/Off key. While
pressing D7-D0 to enable D7-D0, the D0-D7 channels under Dx On/Off are
enabled automatically. The same is true for D15-D8 channels.
Enable or disable user-defined channel group
Press Group On/Off, then rotate the multifunction knob to select the
specified channel group. Press down the knob to enable or disable all the
channels in this channel group. You can also enable the touch screen to tap the
specified group and select it. The enabled channel groups are marked with
,
and the disabled channel groups are marked with
.
Note: This function is only valid when the channels have been grouped by users.
For how to carry out group settings, refer to descriptions in "Group Setting".
To Set the Threshold
The threshold levels of channels D7-D0 and channels D15-D8 can be set separately
according to your needs. Press Threshold to enter the threshold setting menu.
When the voltage of the input signal is greater than the currently set threshold, it is
treated as logic 1; otherwise, it is treated as logic 0.
Press D7-D0 or D15-D8 respectively to open the threshold selection list and select
the preset threshold. The available preset values include TTL(1.40 V), CMOS5.0(2.5
V), CMOS3.3(1.65 V), CMOS2.5(1.25 V), CMOS1.8(0.9 V), ECL(-1.3 V), PECL(3.7 V),
LVDS(1.2 V), and 0 V. You can also press D7-D0 or D15-D8 respectively, then rotate
the multifunction knob
at a small step value or use the pop-up numeric keypad
to set the desired threshold.
Besides, you can also enable the touch screen to tap the digital channel status area
at the bottom of the screen. Then, the LA window is displayed. In the window, you
can select the LA channel and set the threshold. Tap the
icon at the right side of
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