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7
Control(key and knob) area
Fig. 4-2 Keys Overview
1、Menu option setting: F1~F5
2、Switch
Switch includes two keys and one knob. Press "OSC/LA" to switch between DSO and
LA.
For DSO "cursor" knob and "info" key are idle. But the "cursor" knob takes effect in
magnifying or minifying the waveform after FFT operation when the mode is FFT.
For LA, "cursor" knob to adjust current cursor position and "info" key to loading
setting info for acquired waveform and current waveform.
3、Function key area
For DSO 0~5 keys are idle and 6~F refer to different DSO function menu.
For LA, 3.4.5.6.7 refers to figure and other keys refer to digit or function menu.
4、Vertical control area
It's including 3 keys and 4 knobs.
For DSO: "CH1 menu" and "CH2 menu" correspond to setting menu in CH1 and CH2,
"Wave Math" key refer to math menu, the math menu consists of six kinds of operations,
including CH1-CH2、CH2-CH1、CH1+CH2 、CH1*CH2、CH1/CH2 and FFT .Two
"Vertical position" knobs control the vertical position of CH1. CH2, and two "Volts/Div"
knob control voltage scale of CH1, CH2.
For LA, "CH1 menu", "CH2 menu", "Wave math" keys and "CH2 Volts/Div" knob are
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