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Command Descriptions
2–212
TLS 216 Programmer Manual
REF<x>:SELect
Sets or returns the selected channel within the reference group. This command is
similar to setting Selected Channel in the Group Definition menu. The logic
scope highlights the selected channel in the group. When automated measure-
ments are implemented, the logic scope makes the measurement on the selected
channel within the selected group. The selected channel must fall between the
first channel and last channel, inclusively.
Vertical
GROUP<x>:SELect
REF<x>:SELect <NR1>
REF<x>:SELect?
SELect
REF <x> :
?
<Space> <NR1>
<NR1> specifies the selected channel of a reference group from 1 to 16, and must
be one of the channels specified in the group.
REF2:SELECT 5
specifies channel 5 as the selected channel for reference group 2.
REF1:SELECT?
might return channel 3 as the selected channel for reference group 1.
REF<x>:VHIgh
Sets or returns the upper threshold voltage (Vhigh min) for the specified
reference group. Input signals in the group must cross this threshold going
positive to be displayed at a HIGH digital level. This command affects groups
set to BusForm or Timing Diagram display mode only.
Vertical
REF<x>:VHIgh <NR3>
REF<x>:VHIgh?
Group
Related Commands
Syntax
Arguments
Examples
Group
Syntax