Keysight FieldFox Handheld Analyzers Service Guide 71
Theory of Operation
Measurement Group
A7 Real Time Clock Board
The battery for the RTC (real time clock) on the A7 RTC is connected to the A6
SOM board via the A5 System board. The battery powers the RTC when the
FieldFox is powered off.
Chapter 7 provides instructions for replacing the battery on the A7 RTC board.
Main Battery
The battery is a rechargeable 10.8 V lithium-ion type. Refer to “Battery
Disposal” on page 15 for important information about replacing and disposing
of this battery.
Refer to “Battery Related Information” on page 76 for details on the main
battery.
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