HP 16554A Programmer's Manual page 254

Introduction
The SYMBol subsystem contains the commands that allow you to
define symbols on the controller and download them to the
HP 16554A/HP 16555A/HP 16555D logic analyzer modules. The
commands in this subsystem are:
•
BASE
•
PATTern
•
RANGe
•
REMove
•
WIDTh
15–2