In this Manual
This manual contains information about SCPI commands which can be 
used to program the following instruments:
• Agilent 8163A/B Lightwave Multimeter
• Agilent 8164A/B Lightwave Measurement System
• Agilent 8166A/B Lightwave Multichannel System
The Structure of this Manual
This manual is divided into 5 parts:
• “Introduction to Programming” on page 15 gives a general introduction 
to SCPI programming with the Agilent 8163A/B Lightwave Multimeter, 
the Agilent 8164A/B Lightwave Measurement System, and the 
Agilent 8166A/B Lightwave Multichannel System.
• “Specific Commands” on page 43 lists all instrument specific 
commands.
• “Instrument Setup and Status” on page 55, “Measurement Operations 
& Settings” on page 79, and “Mass Storage, Display, and Print 
Functions” on page 185 give fuller explanations of all instrument 
specific commands.
• “VISA Programming Examples” on page 189 gives some example 
programs showing how the SCPI commands can be used with the 
Agilent 8163A/B Lightwave Multimeter, the Agilent 8164A/B 
Lightwave Measurement System, and the Agilent 8166A/B Lightwave 
Multichannel System.
• “The Agilent 816x VXIplug&play Instrument Driver” on page 213, “GPIB 
Command Compatibility List” on page 245, and “Error Codes” on 
page 257 give information about the Agilent 816x VXIplug&play 
Instrument Driver, compatibility issues, and error codes.
Conventions used in this Manual
• All commands and typed text is written in Courier font, for example 
INIT[:IMM].