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HP4402.book : chapter2.fm 5 Fri Feb 12 15:32:45 1999
Power Meter Operation
Battery Operation (Option 001)
HP E4419B User’s Guide 2-5
To access the backlight menu press , , , .
Use the softkeys on the menu to select either , , or .
Note If the power meter is connected to an ac power source the
backlight menu is greyed out and the backlight is permanently on.
Battery Removal/Replacement
The battery unit is easily removed and replaced. Follow the instructions
given in Figure 2-2. To obtain a replacement battery unit order HP part
number E9287A (this can only be used in power meters with option 001
installed).
WARNING This product uses a Nickel Metal Hydride battery.
Do not short circuit the battery terminals.
Do not subject the battery to excessive heat.
Do not dispose of by burning.
Refer to your local country regulatory requirements on the
disposal of Nickel Metal Hydride batteries.
Caution Observe static precautions while removing and replacing the
battery module.
System
Inputs
More Service Battery
On Off Timed