Ramsey Electronics SG560 Guía de usuario descargar pdf (Pagina 28)

BASIC OPERATION

Any of the meters can be zoomed by pressing

Common Meter Displays Description

2.10.06 The frequency error bargraph allows visual calibra-

tion of a frequency reference to the internal reference of the

COM3010. This is scale-1, error positive. For a more precise

error value see the Digital Frequency Error meter below.

2.10.07 The frequency error bargraph allows visual calibra-

tion of a frequency reference to the internal reference of the

COM3010. This is scale-2, error negative. For a more precise

error value see the Digital Frequency Error meter below.

2.10.08 The Digital Frequency Error meter will measure the

difference between the COM3010’s receiver frequency and

counted signal. It will then display the difference digitally.

2.10.09 The audio frequency counter indicates the demodu-

lated audio frequency. It is an average of counts over a period

of time, and the accuracy increases as time goes on. After 10

seconds it has an accuracy of 0.1Hz for proper discovery of

CTS tones. It has a count range from 60 Hz to 3 kHz.

Frequency Error Bargraph

Scale = 1, Error Positive

Frequency Error Bargraph

Scale = 2, Error Negative

Digital Frequency Error

Meter

Audio Frequency

Meter

COM3010 Meter Displays (Continued)

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Ramsey Electronics SG560 Guía de usuario Pagina 28