Ceyear 4992A, User Manual

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Chapter V Menu Description
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Select the carrier. At present, RF Source 2 has no function of modulation. Therefore, [RF Source 1]
is selected.
[Modulation Source]
Select the modulation source type, including [Internal Audio], [External Audio] and [External
MIC].
[Internal audio setting]
Set the internal audio, i.e. modulation setting, including the ON/OFF status, frequency, amplitude
modulation depth and frequency modulation deviation of the modulation source. The values can
be adjusted with the number keys, step keys or knob.
[External audio impedance]
The external audio impedance can be set only when the modulation source is the external audio.
Four kinds of impedance are optional: [150Ω], [600Ω], [1kΩ] and [High Impedance].
1.2RF meter
Press the [Measurement] hard key, select the RF meter in the screen, and click “OK” to open the
RF meter. Select the RF meter window, and the [RF Meter] menu will pop up, including the
[Average OFF ON], [Averaging Times], [RF Power], [Compensation Frequency of Frequency
Response], [Signal Strength Unit], [RF Power Unit] and [Alarm Setting]. The menu structure is as
follows.