RIGOL DS1000B - Manual (Page 92)

RIGOL Command Systems
Programming Guide for DS1000B Series 2-80
 :KEY:FUNC_Z  :KEY:TRIG_LEVEL_INC
 :KEY:FUNC_INC  :KEY:TRIG_LEVEL_DEC
 :KEY:FUNC_DEC  :KEY:TRIG_LEVEL_Z
We will give detailed introductions for each command in the following parts.