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MODULATION Display
3-digit indication of AM/FM modulation.
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FM/AM Modulation Unit Indicators
AM modulat ion i s showed in %.
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GP-IB (remote/1 oca I ) Key
This key only works with units having b u i l t - i n GP-IB functions.
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FM MODULATION Key
Key to turn ON/OFF FM modulation.
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EXT/75kHz Key
EXT
: Press this key when an external FM modulation signal i s to tbe used.
75kHz : When the 2nd F key ( § ) i s pressed and second function mode activeted,
FM frequency deviation i s set to 75kHz when t h i s key i s pressed.
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1 kHz/22. 5kHz Key
1kHz
: The FM modulat ion s i g n a l becomes the 1kHz i n t e r n a l modulat ion
signal.
Fig. 2
FM frequency deviat ion i s indicated by kHz.
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