Siglent SDS-5000X-FG User Manual

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SDS5000X Series Digital Oscilloscope User Manual

 EXT: External trigger channel

 EXT/5:5x attenuation of external trigger channel

 AC Line: AC mains supply

 D0~D15: Digital channels

Trigger coupling: Coupling mode of the current trigger source. It is only valid

when the trigger source is C1~C4, EXT or EXT/5.

 DC：All the signal’s frequency components are coupled to the trigger

circuit for high frequency bursts or where the use of AC coupling would

shift the effective trigger level.

 AC：The signal is capacitively coupled. DC levels are rejected. See the

datasheet for details of the cut-off frequency.

 HFR：Signals are DC coupled to the trigger circuit, and a low-pass filter

network attenuates high frequencies (used for triggering on low

frequencies). See the datasheet for details of the cut-off frequency.

 LFR：The signal is coupled through a capacitive high-pass filter network,

DC is rejected and low frequencies are attenuated. For stable triggering

on medium to high frequency signals. See the datasheet for details of

the cut-off frequency.

Trigger mode

 Auto: The oscilloscope will sweep without a set trigger. An internal timer

triggers the sweep after a preset timeout period so that the display

refreshes continuously. This is helpful when first analyzing unknown

signals. Otherwise, Auto functions the same as Normal when a trigger

condition is found.

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Siglent SDS-5000X-FG Waveform Generator Software