4.1 Wavelength-related Settings
4-3
4
Changing Measurement Conditions
To set left screen wavelength start:
1. Press
f4 Start
.
2. Enter the wavelength using the rotary knob and keypad.
The Start setting range is from 600 to 1750 nm.
Input a smaller wavelength than the Stop value.
Note:
The Center and Span are also changed when the Start is changed.
To set right screen wavelength stop:
1. Press
f5 Stop
.
2. Enter the wavelength using the rotary knob and keypad.
The Stop setting range is from 600 to 1800 nm.
Input a larger wavelength than the Start value.
Note:
The Center and Span are also changed when the Stop is changed.
To change position of wavelength displayed at marker:
This function switches the wavelength of the trace markers, delta
markers and analysis part to frequency display.
1. Press
f6 MkrValue Wl/Freq
.
2. At wavelength display, λMkr is displayed at the screen top left.
At frequency display, fMkr is displayed at the screen top left.
The frequency f (Hz) is calculated using the following equation:
f
=
c
/
λ
c
: Speed of light 2.99792458 × 10
8
(m/s)
λ
: Wavelength in vacuum (m)
Note:
The following items are not displayed in the Frequency unit.
● Zone marker
● Application result
● Graph x-axis
● Center/Span/Start/Stop setting
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