162 8163A/B, 8164A/B, 8166A/B User’s Guide
5 Tunable Lasers
modulation source. The output signal has the same frequency as the
optical output.
4 Press [OK].
How to Set the Modulation Output Mode
5Move to <Modout> and press [OK].
6 Move to either of the following two menu items, by using the cursor
key:
• <FRQ&RDY>, where the modulation signal is combined with the
laser-ready signal, so that the output is kept low when there is no
optical signal being output, for example, when the laser is turned off
or when you set the attenuator to the dark position, or
• <FRQ>, where the modulation signal is output all the time regardless
of laser state.
7Press [OK].
8 Press [Close] to return to the overview or detail screen.
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