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Introduction to Programming
22
Laser Selection Numbers
The laser selection number, [l], identifies the upper or lower wavelength laser
source for dual wavelength Laser Source modules and Return Loss modules with
two internal laser sources. The lower wavelength source is denoted by 1. The
upper wavelength source is denoted by 2.
NO TE
For Return Loss modules, 0 denotes the use of an external laser source as the
input to your Return Loss module for the following commands:
• ":SENSe[n]:[CHANnel[m]]:RETurnloss:CORRection:FPDelta[l]" on
page 85,
• ":SENSe[n]:[CHANnel[m]]:RETurnloss:CORRection:FPDelta[l]?" on
page 85,
• ":SENSe[n]:[CHANnel[m]]:RETurnloss:CORRection:REFLectance[l]" on
page 85, and
• ":SENSe[n]:[CHANnel[m]]:RETurnloss:CORRection:REFLectance[l]?" on
page 86.
Common Commands
The IEEE 488.2 standard has a list of reserved commands, called common
commands. Some of these commands must be implemented by any instrument
using the standard, others are optional.
Your instrument implements all the necessary commands, and some optional
ones. This section describes the implemented commands.
HP 8163A Lightwave Multimeter, HP 8164A Lightwave Measurement System,
& HP 8166A Lightwave Multichannel System User's Guide, E1299
Common Commands
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