Use the knob or keypad to enter the "program" value. Forpulse periods <655
[LS,
the
edge is programmable between 50 ns and 500
[LS.
For pulse periods > 655
!tS,
the edge
is programmable between
0.1
% and 79%
of
the pulse period.
If
Standard Waveform:
pulse train was selected before "setup," the screen displays the
actualleading
edge
value which may be different from the programmed value based on the overall pulse
parameters.
To change the LeadingEdge
of
other pulses
in
the train, press
FIor
rotate the knob until
the number
of
the desired pulse appears. F3 must be pressed before theleading edge
can be programmed.
Pressing F8, "next," advances to the Trailing Edge screen. Or, press F4, "exit," to
retum to the Standard Waveform screen.
Trailing Edge
The Trailing Edge sereen (figure 4-60) nllows programming the trailing edge
of
th~
selected pulse. The Trailing Edge screen only appears
if
Leading 1Trailing Edge:
variable was selected.
~~---;~::-;m~~il
edge
.•
program:
5.0.
ns
(actual: 48. ns)
00
exit next
00
Figure 4-60. Trailing Edge Sereen
Use the knob or keypad to enterthe "program" value. For pulse periods <655
!tS,
the
edge
is programmable between 50 ns and 500
[LS.
For pulse periods >655
!-ts,
the edge
is programmable between 0.1 % and 79%
of
the pulse period.
If
Standard Waveform:
pulse train was selected before "setup," the screen displays the actual trailing edge
value which may be different from the programmed value based on the overall pulse
parameters.
To
change the Trailing Edge
of
otherpulses in the train, press
FIor
rotate the knob until
the number
of
the desired pulse appears. F3 must be pressed before the trailing edge
can be programmed.
Pressing F8, "next," advances to the Pulse Width screen. Press F4, "exit," to return to
the Standard Waveform screen.
PulseWidth
This screen (see figure 4-61) allows prograrnming
of
the pulse width relative to the 50%
points
of
the leading Itrailing edges (figure 4-44).
1
~~:lse
1
~
width: -
• program:
1.000
I..IS
. (actual: 1.000
I..Is)
1
00
exit next
00
Figure 4-61. Pulse Width
Front Panel Operation Reference 4-49
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