10 Keysight E5400-Pro Series Soft Touch User’s Guide1 Overview, Installation, and Selection of Probing OptionsInstallation Instructions1 Use the information provided in Chapter 2 to design pads on yourboard and holes for mounting the retention module.The soft touch probes are attached to the PC board using a retentionmodule which ensures pin-to-pad alignment and holds the probe inplace.2 Use flux as necessary to clean the board and pins before soldering theretention module to the board.3 If your board has Organic Solder Preservative (OSP) finish, apply solderpaste to the footprint pads prior to re-flow or hand soldering.Typically, dipped and coated finishes do not require extra solder paste.4 Attach the retention module to the board from either the top or bottomof the board:Top-side attachCan be used with most board thicknesses.a Insert the retention module into the board noting the keying pin.b Solder alignment pins from the top ensuring that solder is addeduntil a fillet is visible on the pin.Figure 1 Solder retention module from the top.Bottom-side attachCan be used for board thickness of 2.54 mm (0.100 in.) or less.a Insert the retention module into the board noting the keying pin.b Solder the alignment pins to the back side of the board.5 Insert the probe into the retention module.Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com