9
The keys of 【 Freq 】【Perd 】【Ampl 】【Atten 】【Offs 】【Duty 】
【Harmo】【Phase】：To select the options with shadow in the table of function
options directly.
The key of【pp/rms】：To select the Peak-peak value and Virtual value of the
amplitude circularly.
The waveform selection keys of 【 Sine 】【Square 】【Triang 】【Ramp 】
【Arb】: Press the former four keys to select the four common waveforms. Press
【Arb】 key to select one of the 16 waveforms using the waveform sequence number.
The above five keys are bi-functional keys. They also have the functions of
units 【 MHz 】【kHz 】【Hz 】【mHz 】【% 】 and waveform sequence number
【n】. If pressing the five keys after data input, the units of the data will be selected
so as to be the end of the data input.
The keys of【∧】【∨】：To increase or decrease the frequency or the
amplitude stepping of channel A.
The keys of【＜】【＞】：To move the cursor leftwards or rightwards.
The key of 【Cal.】:To calibrate the parameters.
The key of 【Reset】: To restore the system.
1.5 Basic operation
The following description will explain the basic operation to meet the usual need
of the users. Every user whoever has questions should read the corresponding
contents in the chapter three of the instruction.
1.5.1 Setting of parameters of channel A：Press the key of 【CHA】 to light the
indicator lights of “CHA” and “Tone” and the instrument will enter into the single
frequency function of channel A.
Setting of frequency of channel A： Set the frequency to be 3.5kHz
【Freq】【3】【.】【5】【kHz】
Adjusting of frequency of channel A： Press the key of 【＜】 or 【＞】to move
the cursor. In order to adjust the frequency finely or crudely, turn the knob clockwise
or anticlockwise to decrease or increase the number with continuous carry or borrow.
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