HP E4402B User Manual download pdf (Page 14)

14 Chapter 1

Installation and Setup

Power Requirements

Battery Information

The analyzer uses a lithium battery to enable the internal memory to retain data. The date

when the battery was installed is on a label on the rear panel of the analyzer. See Figure

1-1.

The minimum life expectancy of the battery is 7 years at 25

°C, or 1 year at 55 °C. If you

experience problems with the battery or the recommended time period for battery

replacement has elapsed, see “Returning an Analyzer for Service” on page 94

If you wish to replace the battery yourself, you can purchase the service documentation

that provides all necessary test and maintenance information.

After replacing the analyzer battery, write the date of battery replacement on the

rear-panel label.

Figure 1-1. Rear-Panel Battery Information Label

You can order the service documentation for Agilent spectrum analyzers through your

Agilent Sales and Service office. The documentation is described under “Options” on

page 69.

NOTE If the analyzer’s clock does not work, the problem is the battery. See

“Returning an Analyzer for Service” on page 94.

WARNING Danger of explosion if battery is incorrectly replaced. Replace only

with the same or equivalent type recommended. Discard used

batteries according to the manufacturer’s instructions.

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HP E4402B User Manual Page 14