5-38
IM 735302-01E
Explanation
PLS LIGHT MEASURE
You can enter pulse light measurement settings and external trigger mode settings.
PEAK HOLD
You can set the peak hold value for the pulse light. Pulse light measurement can be
carried out based on this.
The setting range is 1 to 9999 ms.
EXT TRIGGER MODE
This mode is used to measure pulse light using an external trigger signal. When this key
is selected, sweeping is performed in external trigger mode, wherein sampling is done
based on an external trigger signal.
For information on external trigger measurement, see section 5.15.
Measurement Sensitivity and Corresponding Pulse Width
The measurement sensitivity is determined based on the light pulse width. Select the
appropriate sensitivity level based on the pulse width in the table below.
Sensitivity Name and Corresponding Pulse Width
Sensitivity
setting
CHOP MODE
On-Screen Notation
Corresponding
Pulse Width
(Min.)
Normal
PEAK HOLD
Setting
EXT TIRG
Setting
NORM/HOLD
OFF
NORM/HOLD P-NORM/HLD E-NORM/HLD
PEAK: 100µs
EXT: 50µs
NORM/AUTO NORM/AUTO P-NORM/AUT E-NORM/AUT 300µs
NORMAL NORMAL P-NORMAL E-NORMAL 1ms
MID MID P-MID E-MID 3ms
HIGH1 HIGH1 P-HIGH1 E-HIGH1 10ms
HIGH2 HIGH2 P-HIGH2 E-HIGH2 50ms
HIGH3 HIGH3 P-HIGH3 E-HIGH3 200ms
MID
SWITCH
MID/SW P-MID/SW E-MID/SW 3ms
HIGH1 HI1/SW P-HI1/SW E-HI1/SW 10ms
HIGH2 HI2/SW P-HI2/SW E-HI2/SW 50ms
HIGH3 HI3/SW P-HI3/SW E-HI3/SW 200ms
5.14 Pulse Light Measurement
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