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SDS1000X-E User Manual
161
WWW.SIGLENT.COM
All Digital Channels
1. Press the
Digital
button on the front panel to open the DIGITAL function menu.
2. Press the
Channel Group
softkey to select
On
or
Off
to switch all digital channels
which in this group on or off.
Also, under the DIGITAL function menu, press the
Digital
button on the front panel to
switch all digital channels off.
Logic Threshold
1. Press the
Digital
button on the front panel to open the DIGITAL function menu.
2. Press the
Threshold
softkey to enter the THRESHOLDS menu.
3. Press the
D0~D7
or
D8~D15
softkey, then turn the
Universal Knob
to select a logic
family preset or select Custom to define your own threshold.
Figure 103 THRESHOLDS Function Menu
Logic Family
Threshold Voltage
TTL
1.5V
CMOS
1.65V
LVCMOS3.3
1.65V
LVCMOS2.5
1.25V
Custom
Variable from -3V to +3V
The threshold you set applies to all channels.
Values greater than the set threshold are high (1) and values less than the set
threshold are low (0).
If the
D0~D7
or
D8~D15
softkey is set to
Custom
, press the
Custom
softkey, then
turn the
Universal Knob
to select the desired value and push down the knob to
confirm.
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