RIGOL 
© 2008 RIGOL Technologies, Inc. 
  User’s Guide for DS1000B series 
Turn on or off Channels 
CH1, CH2, CH3, CH4 and Ext. trigger channels are input channels. All functions 
applied will base on operating the instrument with channels, so MATH and REF can 
be regarded as relatively isolated channels.     
 
Press the corresponding button (for example: CH1, CH2, CH3, CH4, MATH, REF) on 
the front panel to turn the channels on. The backlight indicates the channel is 
currently active. When a channel is currently selected, press the button with respect 
to the channel again will turn it off and the backlight goes off. When a channel is not 
currently selected, press the button associated with the channel will select the 
channel as the current channel. 
 
Table 2-19 The Channels menu