Introduction 1Keysight U1731C/U1732C/U1733C User’s Guide 25Connecting the IR-USB cableYou can use the IR communication link (IR communication port, located at therear panel) and the Keysight GUI Data Logger software to control your LCR meterremotely. Hence, you can only perform data logging operations in the KeysightGUI Data Logger application with the LCR meter connected via the USB- IR cableto the PC.Ensure that the Keysight logo on the U5481A IR-USB cable (purchasedseparately) connected to the LCR meter is facing up. Firmly push the IR head intothe LCR meter’s IR communication port until it snaps into place (see Figure 1-3).Refer to the Keysight GUI Data Logger Software Quick Start Guide and Help formore information on the IR communication link and the Keysight GUI Data Loggersoftware.Figure 1-4 Keysight GUI Data Logger SoftwareThe Keysight GUI Data Logger software and its supporting documents (QuickStart Guide and Help) are available for free download athttp://www.keysight.com/find/hhTechLib.You may purchase a U5481A IR-USB cable from a Keysight Sales Office nearest toyou.