Rigol DS1204B Programming Manual page 23

Function:
The command decreases the offset of multifunction knob.
34. :KEY:CH1_VOLT_INC
Command Format:
:KEY:CH1_VOLT_INC
Function:
The command decreases the vertical scale of channel 1.
35. :KEY:CH1_VOLT_DEC
Command Format:
:KEY: CH1_VOLT_DEC
Function:
The command increases the vertical scale of channel 1
36. :KEY:CH1_VOLT_Z
Command Format:
:KEY: CH1_VOLT_Z
Function:
The command sets the adjustment mode of vertical scale of channel 1 as Fine or
Coarse. The vertical scale steps by 1-2-5 in Coarse; and by equality in Fine.
37. :KEY:CH1_POS_INC
Command Format:
:KEY: CH1_POS_INC
Function:
The command increases the vertical offset of channel 1 evenly.
38. :KEY:CH1_POS_DEC
Command Format:
:KEY:CH1_POS_DEC
Programming Guide for DS1000B Series
RIGOL
2-15