BK Precision 2540B, User Manual, Page: 71 / 250

Basic Operation
71
Note: (For models 2540B-GEN and 2542B-GEN only)
When Source is set to EXT or EXT/5, the EXT
TRG/MOD OUT BNC terminal will function as an
external trigger terminal. When Source is set to
all other options, the same terminal will function
as the modulation waveform output that is part of
the built-in arbitrary waveform generator.
Pulse Width Trigger
Pulse width triggering sets the oscilloscope to trigger on a
positive or negative pulse of a specified width from 20 ns to
10 s.
Press trigger control MENU key to display the TRIGGER
menu page 1/2, then press Type softkey to select Pulse
trigger.
Softkey Options Description
Type
Video Video triggering
Edge Edge triggering
Pulse Pulse width triggering
Source
CH1 Trigger on CH1
CH2 Trigger on CH2
EXT Trigger on EXT
EXT/5 Trigger on EXT/5
Alternating
CH1 and CH2
alternately