The FCO520 features a high contrast LCD alpha-numeric display with back lighting and push button selection of engineering units.
具有高对比性的字母-数字显示和反光性，也可选择按钮开关。
The FCO520 features a high contrast LCD alpha-numeric display with back lighting and push button selection of engineering units.
具有高对比性的字母-数字显示和反光性，也可选择按钮开关。
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