User manual

GDS-2000A Programming Manual
178
Example1
:SEARCH:TRIGger:LOGic:INPut:CLOCK:SOURce D0
:SEARCH:TRIGger:LOGic:INPut:CLOCK:EDGe FALL
:SEARCH:TRIGger:LOGic:PATtern
Query
Description
Returns the conditions that are used to generate a
logic pattern search trigger with respect to the
defined input pattern and identifies the time at
which the selected pattern may be true and still
generate a search trigger.
Syntax
:SEARCH:TRIGger:LOGic:PATtern?
Return parameter
Returns a string containing the conditions for a
logic pattern search trigger.
Example
:SEARCH:TRIGger:LOGic:PATtern?
:INPUT:D0 X;D1 X;D2 X;D3 X;D4 X;D5 X;D6 X;D7
X;D8 X;D9 X; D10 X;D11 X;D12 X;D13 X;D14
X;D15 X;:TRIGGER:LOGIC:PATTERN:WHEN
TRUE; :TRIGGER:LOGIC:PATTERN:DELTATIME
1.000e-08;
:SEARCH:TRIGger:LOGic:PATtern:INPut:D
Set
Query
Description
Sets or queries the search trigger logic for the
selected digital input.
Syntax
:SEARCH:TRIGger:LOGic:PATtern:INPut:D<X>
{ HIGH | LOW | X | ? }
Parameter
<X>
X is the digital channel number
D(0~15)
HIGH
Set to a high logic state
LOW
Set to a low logic state
X
Set to a "don’t care" state.
Return parameter
Returns the logic state of the selected channel (HIGH,
LOW, X).