SIGLENT
SPD3303S/3303D Quick Start 7
The rear panel
Description:
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1
warning message
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2
The DIP switch of the AC power and its identification .
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3
The description of the AC input voltage
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4
AC power socket
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5
The fan air vents
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6
CE certification mark
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7
USB interface and identification
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1
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2
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6
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5
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4
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3
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7