Digital Channels 6
Keysight InfiniiVision 2000 X-Series Oscilloscopes User's Guide 109
3 Press the D7 - D0 softkey, then select a logic family preset or select User to
define your own threshold.
The threshold you set applies to all channels within the selected D7 - D0 group.
Each of the two channel groups can be set to a different threshold if desired.
Values greater than the set threshold are high (1) and values less than the set
threshold are low (0).
If the Thresholds softkey is set to User, press the User softkey for the channel group,
then turn the Entry knob to set the logic threshold. There is one User softkey for
each group of channels.
To reposition a digital channel
1 Make sure the multiplexed scale and position knobs to the right of the key are
selected for digital channels.
If the arrow to the left of the [Digital] key is not illuminated, press the key.
2 Use the multiplexed Select knob to select the channel.
The selected waveform is highlighted in red.
3 Use the multiplexed Position knob to move the selected channel waveform.
If a channel waveform is repositioned over another channel waveform, the
indicator at the left edge of the trace will change from Dnn designation (where
nn is a one or two digit channel number) to D*. The "*" indicates that two
channels are overlaid.
Logic family Threshold Voltage
TTL +1.4 V
CMOS +2.5 V
ECL –1.3 V
User Variable from –8 V to +8 V
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