Chapter 1 Quick Guide RIGOL
DG800 User's Guide 1-9
3) FSK
When ASK, FSK, or PSK of CH1 is enabled and external modulation source is
selected, this connector receives an external modulation signal whose
polarity can be set by users. Its input impedance is 1000 Ω. For details,
refer to descriptions in "Modulation".
4) Trig In
When Sweep or Burst of CH1 is enabled and external trigger source is
selected, this connector receives an external trigger signal whose polarity
can be set by users.
5) Trig Out
When Burst of CH1 is enabled, and the internal/manual trigger source is
selected, this connector outputs a trigger signal with specified edge type.
3. [CH2/Sync/Ext Mod/Trig/FSK]
BNC female connector, with 50 Ω nominal impedance. Its function is determined
by the current working mode of CH2.
1) Sync
When the output of CH2 is enabled, this connector outputs the
corresponding sync signal that matches the current configuration of CH2.
For detailed information about the characteristics of the sync signals that
correspond to various output signals, refer to the descriptions in "Sync
Setting".
2) Ext Mod
When AM, FM, PM or PWM of CH2 is enabled and external modulation
source is selected, this connector receives an external modulation signal. Its
input impedance is 1000 Ω. For details, refer to descriptions in
"Modulation".
3) FSK
When ASK, FSK, or PSK of CH2 is enabled and external modulation source is
selected, this connector receives an external modulation signal whose
polarity can be set by users. Its input impedance is 1000 Ω. For details,
refer to descriptions in "Modulation".
4) Trig In
When Sweep or Burst of CH2 is enabled and external trigger source is
selected, this connector receives an external trigger signal whose polarity
can be set by users.
5) Trig Out
When Burst of CH2 is enabled, and the internal/manual trigger source is
selected, this connector outputs a trigger signal with specified edge type.
4. USB HOST
Supports FAT32 format Flash type USB storage device, RIGOL TMC digital
oscilloscope (DS), and the USB-GPIB interface converter.
USB storage device: reads the waveform files or state files saved in the USB
storage device; or stores the current instrument states or edited waveform
data into the USB storage device. Besides, the contents displayed on the
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