Tektronix TDS7000 Series Programmer's Manual page 360

TRIGger:A:LOGIc:INPut:CH<x>
Description
This command sets or queries the A logical input for the specified logic trigger channel, which ranges
from CH1 through CH3. Note that CH4 cannot be set or queried with this command. For details about
setting this channel, see TRIGger:A:LOGIc:PATtern:INPut:CH4. This command is equivalent to selecting
A Event (Main) Trigger Setup from the Trig menu and then choosing the desired logical input from the
Ch<x> drop-down list, which is located in the Input Threshold group box.
Group
Trigger
Related Commands
TRIGger:A:LOGIc:PATtern:INPut:CH4 (see page 360)
Syntax 1
TRIGger:A:LOGIc:INPut:CH<x> {HIGH|LOW|X}
Syntax 2
TRIGger:A:LOGIc:INPut:CH<x>?
Arguments
• HIGH
This specifies the logic high.
• LOW
This specifies the logic low.
• X
This specifies a "do not care" state.
Example 1
TRIGger:A:LOGIc:INPut:CH1?
This query might return
:TRIGGER:LOGIC:INPUT:CH1 X
input to channel 1 does not matter.
Example 2
TRIGger:A:LOGIc:INPut:CH2 HIGH
This command sets the A logic trigger input to logic HIGH for channel 2.
358
, indicating that the setting for the A logic trigger