RIGOL  Chapter 7 Logic Analyzer 
7-2  MSO4000/DS4000 User’s Guide 
To Turn the Digital Channels On/Off 
 
You can turn on or off all the digital channels (D0 to D15) according to your needs. 
The channels are independent from one another.  
 
Press LA  On/Off to enter the “On/Off” setting menu of the digital channels. You 
can set the on/off states of the digital channels using any of the following methods 
via this menu. 
 
  Turn on or off channels D7 to D0 at the same time 
Press D7-D0 to select “Turn On” or “Turn Off”.  
 
  Turn on or off channels D15 to D8 at the same time 
Press D15-D8 to select “Turn On” or “Turn Off”. 
 
  Turn on or off a single channel 
Press Sel CH and turn the multi-function knob   to select the desired channel 
(D0 to D15). Then, press the knob or press Sel CH to switch the on/off state of 
the channel. The on/off state of the channel is displayed at the front of the 
channel name; wherein, 
 denotes the channel is turned on and   denotes 
the channel is turned off.  
 
  Turn on or off the user-defined channel group 
Press Group and turn the multi-function knob   to select the desired group 
(Group1 to Group4). Then, press the knob or press Group to switch the on/off 
states of all the channels in this channel group. The on/off state of the channel 
group is displayed at the front of the channel group name; wherein, 
 denotes 
the channel group is turned on and 
 denotes the channel group is turned off.  
Note: Only the groups that contain digital channels can be selected. For how to 
group the channels, plaese refer to the instruction in “To Perform Grouping 
Setting”.  
 
Note: 
  The 4 setting methods mentioned above enjoy the same priority. Subsequent 
operations will change the previous on/off state(s) of the channel(s).  
  For the channel waveform and label colors of the digital channel turned on, 
please refer to “Digital Channel Waveform and Label Colors”.  
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