320 8163A/B, 8164A/B, 8166A/B User’s Guide
11 Installation and Maintenance
Changing the Battery
Changing the Fuse
The 8163A Lightwave Multimeter System, 8164A Lightwave
Measurement System, and the 8166A Lightwave Multichannel System
contain a disc shaped Lithium Thionyl Chloride battery.
The 8163B Lightwave Multimeter System, 8164B Lightwave
Measurement System, and the 8166B Lightwave Multichannel System
contain a cylindrical Lithium Manganese Dioxode battery.
The battery is not user replaceable. The battery is protected against
loading by a special circuit and must be installed with the correct
polarity. Changing the battery should be carried out only by Keysight
Technologies service personnel. If you need to get the battery replaced
refer to your nearest Keysight Technologies Sales/Service Office.
There is no user replaceable fuse for the 8163A/B Lightwave Multimeter
System, 8164A/B Lightwave Measurement System, and the 8166A/B
Lightwave Multichannel System. Changing the fuse should be carried out
only by Keysight Technologies service personnel. If you need to get the
fuse replaced refer to your nearest Keysight Technologies Sales/Service
Office.
The 8163A/B contains a F5.0A/250V fast-acting fuse.
The 8164A/B and 8166A/B contain a F10.0A/250V fast-acting fuse.
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