RIGOL DS1000B - Manual (Page 67)

Command Systems RIGOL
Programming Guide for DS1000B Series 2-55
:CHAN2:FILT OFF Set the digital filter of channel 2 off.
:CHAN2:FILT? Return 0.
9. :CHANnel:MEMoryDepth?
Command Format:
:CHANnel:MEMoryDepth?
Function:
This command is query the memory depth on channel x.
There are three instances:
1) Alternate trigger: 8192
2) Slow scan or ROLL: 0~8192
3) Others: 8192
NOTE: In Slow scan mode: In the event of the horizontal timebase is set as 50ms/div or more
slowly, the instrument will turn into Slow scan mode. Under this circumstance, the
oscilloscope will gather the datum form the left side of the trigger point and then continue
gathering the waves form the right side after triggering. If use Slow scan mode to observe the
low frequency signal, you are suggested to set the couple mode of channel as DC.
Returned Format:
The query returns the value such as: 8192e003.
10. :CHANnel:VERNier
Command Format:
:CHANnel:VERNier {{1|ON}|{0|OFF}}
:CHANnel:VERNier?
Function:
The command sets the adjustment mode of vertical scale as ON (Fine) or OFF
(Coarse). The vertical scale steps by 1-2-5 in Coarse mode; and by equality in
Fine mode. The may be 1, 2, 3, 4.
Returned Format:
The query returns 1 or 0, respectively indicates ON or OFF.