Rigol DHO804 User Manual

Only when you select the channel that has signal inputs as the trigger source,
can you obtain a stable trigger.
• Edge B
Select the trigger edge type ("Rising" or "Falling") of Source B in Delay trigger in
the
EdgeB item.
Set the Trigger Condition
Set the time limit condition of Delay trigger in the
when item.
• >: triggers when the time difference (∆T) between the specified edges of Source
A and Source B is greater than the preset time lower limit. Click or tap the input
field of Lower to set the delay time lower limit in Delay trigger with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to set
the value.
• <: triggers when the time difference (∆T) between the specified edges of Source
A and Source B is smaller than the preset time upper limit. Click or tap the input
field of
Upper to set the delay time upper limit in Delay trigger with the pop-up
numeric keypad. You can also use the corresponding multipurpose knob to set
the value.
• < >: triggers when the time difference (∆T) between the specified edges of
Source A and Source B is greater than the lower limit of the preset time and
smaller than the upper limit of the preset time. Click or tap the input field of
Upper to set the delay time upper limit in Delay trigger with the pop-up numeric
keypad. Click or tap the input field of
Lower to set the delay time lower limit in
Delay trigger with the pop-up numeric keypad. You can also use the
corresponding multipurpose knob to set the upper and lower limit. The lower
time limit must be smaller than the upper time limit.
• > <: triggers when the time difference (∆T) between the specified edges of
Source A and Source B is smaller than the lower limit of the preset time or
greater than the upper limit of the preset time. Click or tap the input field of
Upper to set the delay time upper limit in Delay trigger with the pop-up numeric
keypad. Click or tap the input field of
Lower to set the delay time lower limit in
Delay trigger with the pop-up numeric keypad. You can also use the
corresponding multipurpose knob to set the upper and lower limit. The lower
time limit must be smaller than the upper time limit.
Trigger Mode
In
Sweep, select Auto, Normal, or Single as the trigger mode. For details, refer to
descriptions in
Trigger Mode .
Trigger Parameter Setting
You can refer to
Trigger Holdoff and Noise Rejection to set the trigger holdoff and
noise rejection under this trigger type.
Triggering the Oscilloscope
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Rigol DHO804 Specifications

General

Bandwidth	70 MHz
Channels	4
Waveform Capture Rate	1, 000, 000 wfms/s
Vertical Sensitivity	1 mV/div to 10 V/div
Vertical Resolution	12 bits
Interfaces	USB, LAN, HDMI
Input Impedance	1 MΩ ± 1%
Max Input Voltage	300 Vrms CAT I
Trigger Types	Edge, Pulse, Slope, Video, Pattern, Duration, Timeout, Runt, Window, Delay, Setup/Hold, Nth Edge, Logic
Protocol Decoding	I2C, SPI, UART, CAN, LIN, FlexRay, I2S
USB Ports	USB Host, USB Device
LAN Port	1