Rigol DS1204B Programming Manual page 51

1. :CHANnel<n>:BWLimit
Command Format:
:CHANnel<n>:BWLimit□{{1|ON}|{0|OFF}}
Function:
The command sets bandwidth limit function ON (limit band width to 20MHz to
reduce noise) or OFF (full band width). The <n> may be 1, 2, 3 or 4.
Query Format:
:CHANnel<n>:BWLimit?
Return Format:
The query returns 1 or 0, respectively indicates ON or OFF.
Example:
:CHANnel2:BWLimi□OFF
:CHANnel2:BWLimit?
2. :CHANnel<n>:COUPling
Command Format:
:CHANnel<n>:COUPling□{DC | AC | GND}
Function:
The command sets coupling mode as DC (both AC and DC components of the
input signal can pass), AC (the DC component of the input signal can not pass)
or GND (disconnect the input signal). The <n> may be 1, 2, 3 or 4.
Query Format:
:CHANnel<n>:COUPling?
Return Format:
The query returns AC or DC, GND.
Example:
:CHANnel2:COUPling□DC
:CHANnel2:COUPling?
Programming Guide for DS1000B Series
Set BW limit function of channel 2 off.
Return 0.
Set the coupling mode of channel 2 as DC.
Return DC.
RIGOL
2-43