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accurate way. The Step entering method can only be used in the frequency of channel
A or the amplitude of channel A.
3.1.3 Knob adjusting ： In practice, signal needs to be adjusted sequentially
sometimes, so number adjusting knob will be used. There is a blink position of cursor
in the numeric display. Press the key of 【＜】 or 【＞】 to move the blink cursor
leftwards or rightwards. Rotate the knob on the panel can adjust the number
sequentially with increasing 1 by turning it clockwise or decreasing 1 by turning it
anticlockwise, even carry or barrow from high-order digit. By the knob, data come
into effect after entering and do not need enter unit key. When the blink cursor
moves leftwards, the data can be adjusted crudely and when it moves rightwards, the
data can be adjusted finely.
3.1.4 Selecting of input way： For known data, it is the most convenient to use
numeric keys as it can be gotten easily without the generating of transient data no
matter how big the change of the data is, which is so important. For the modifying of
the entered data or for entering sequence data, it will be more convenient to use the
knob. But for a series of equidistant data, using step key will be much more
convenient. So user should select neatly according to the different applications.
3.2 Frequency of channel A
Press the key of 【CHA】 to light the indicator lights of “CHA” and “Tone”.
The frequency value and the amplitude value of signal of channel A will be displayed
and the waveform indicator light will display the waveform of channel A.
3.2.1 Setting of frequency of channel A: Press the key of 【Freq】 to display the
current frequency value. The frequency value can be entered either by the numeric
keys or by the knob. The signal of the frequency will be output at the end of “Output
A”.
3.2.2 Setting of period of channel A: The signal of channel A can also be set and
displayed in the form of period. Press the key of 【Perd】. The current period value
will be displayed. Then use the numeric keys or the knob to enter the period value.
But frequency synthesizing way is still used in the interior of the generator. It is only
a conversion when entering and displaying the data. Limited by the low-end
resolution of frequency, only those frequency points with large distant period can be
entered for longer periods. Although the setting and display of the period are
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