Data Sheet

5 To Trigger the Oscilloscope RIGOL
MSO4000D/S4000 User’s Guide
5-25
the upper limits are 31, 63, 127 and 255 respectively.
Baud Rate:
Set the baud rate of data transmmision (equal to specifying a clock frequency). Press
Baud to set the desired baud rate to 2400 bps, 4800 bps, 9600 bps (default), 19200
bps, 38400 bps, 57600 bps, 115200 bps and user-defined. When “User” is selected,
press Setup and use to set a more specific value from 1 to 900000 with a
adjustment step of 1 bps.
Trigger Mode:
Press Sweep to select the Trigger Mode (page 5-3) under this trigger type as auto,
normal or single. The corresponding status light of the current trigger mode turns on.
Trigger Setting:
Press Setting to set the trigger parameters (trigger coupling, trigger holdoff and
noise rejection) under this trigger type.
Trigger Level:
Use TRIGGER LEVEL to modify the level. For details, please refer to the
description of “
Trigger Level” on page 5-9.