RIGOL DG4000 Series - Manual (Page 210)

RIGOL Chapter 11 Remote Control
DG4000 Series User’s Guide 11-2
Remote Control Overview
DG4000 can communicate with PC through USB or LAN interface to realize remote
control on the basis of SCPI commands (Standard Commands for Programmable
Instruments). DG4000 supports SCPI 1999.1.
When the instrument is working in remote mode, the indicator in the upper
right corner of the user interface will light and the keys at the front panel are
locked. Now you can return the instrument to local mode by pressing Burst.