Installation and Maintenance Using Modules
212 Agilent 8163A Lightwave Multimeter, Agilent 8164A Lightwave Measurement 
System, & Agilent 8166A Lightwave Multichannel System, Fourth Edition
1 Untighten the retaining screws, see Figure 161, that secure the module in the 
instrument.
2 Pull the module out of the mainframe, using the handle, being careful to keep 
the module completely flat.
Figure 161 Back Panel of Agilent 8164A Lightwave Measurement System 
Figure 162 Side View of a Back-Loadable Module
   Retaining Screws
Handle
Retaining 
Screws