Specifications

Command Descriptions
TDS3000, TDS3000B, and TDS3000C Series Programmer Manual
2- 287
TRIGger:A:PULse:SOUrce { EXT | EXT10 | VERTical | CH<x> | LINE |
ALTernating }
TRIGger:A:PULse:SOUrce?
EXT sets the pulse trigger source to the regular external trigger input connector
with a signal input range of --0.8 V to +0.8 V. EXT is not available in four-chan-
nel TDS3000 Series instruments.
EXT10 sets the pulse trigger source to the reduced external trigger with a signal
input range of --8 V to +8 V. EXT10 is not available in four-channel TDS3000
Series instruments.
VERTical sets the pulse trigger source to the lowest numbered displayed
channel.
CH<x> sets the pulse trigger source to the specified input channel, where <x> is
1, 2, 3, or 4.
LINE sets the pulse trigger source to the AC line frequency.
NOTE. LINE is not available when the instrument is operating on battery power.
ALTernating sets the pulse trigger source to alternate between each displayed
input channel.
TRIGGER:A:PULSE:SOURCE CH3
sets the pulse trigger signal source to channel 3.
TRIGger:A:PULse:WIDth:POLarity
Sets or returns the pulse-width logic trigger signal polarity value.
Trigger
TRIGger:A:PULse:WIDth:POLarity { POSITIVe | NEGAtive }
TRIGger:A:PULse:WIDth:POLarity?
POSITIVe sets the oscilloscope to trigger only on positive-polarity pulses.
NEGAtive sets the oscilloscope to trigger only on negative-polarity pulses.
Syntax
Arguments
Examples
Group
Syntax
Arguments