Keysight N9912A Service Manual page 113

Repair and Replacement Procedures
Removing and Replacing the Front Panel Group Assemblies
Figure 7-16 Replacing the A3 Front Panel Interface Board
Replacing the Real Time Clock (RTC) Battery Located on the A3 Front Panel
Interface Board (FPIB)
The RTC battery is a Lithium-ion battery and must be disposed of properly.
Refer to
disposing of this battery.
A soldering tool is required for this procedure.
Keysight N9912A Service Guide
"Battery Disposal" on page 1-8 for important instructions on
7-27