User Manual

1 Quick Start RIGOL
MSO4000/DS4000 User’s Guide
1-17
decrease the scale with a step of 5-2-1 and turn counterclockwise to increase
with a step of 1-2-5. Press down the knob to switch the vertical scale adjustment
mode between “Coarse” and “Fine”.
 Decode1 and Decode2: decoding function keys. Press the corresponding key
to open the decoding function menu. MSO4000/DS4000 supports parallel
decoding and protocol decoding (for more details, refer to “
Protocol
Decoding”).
HORIZONTAL
 MENU: press this key to open the horizontal control menu with which users can
turn on or off the delayed sweep function, switch between different time base
modes, switch between “Coarse” and “Fine” adjustments of scale as well as
modify the horizontal reference setting.
 HORIZONTAL SCALE: modify the horizontal time base. Turn clockwise to
reduce the time base and turn counterclockwise to increase. During the
modification, waveforms of all the channels will be displayed in expanded or
compressed mode and the time base message (such as
) at the
upper side of the screen would change accordingly. Press down the knob to
quickly switch to delayed sweep state.
 HORIZONTAL
POSITION: modify the trigger position. The trigger point
would move left or right relative to the center of the screen when you turn the
knob. During the modification, waveforms of all the channels would move left or
right and the trigger position message (such as
) at the
upper-right corner of the screen would change accordingly. Press down the knob
to quickly reset the trigger position (or the delayed sweep position).