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Appendix C Using the Battery Option
Overview
C-2 Operating Guide
C
Overview
The Battery option (Option 002) allows you to operate the Counter away
from a source of AC power using internal rechargeable batteries or the
external DC (EXT DC) power connector on the rear panel. You can charge
the batteries inside the Counter when you are not using it, if an AC power
source is available. (To charge the batteries inside the Counter, it must be
in Standby mode.) You can also charge the batteries outside the Counter
using an AC or suitable DC power source and the optional External
Charger (Agilent P/N 53150-60217).
Operating the Counter from the Batteries
When the Counter is powered from the internal batteries, it operates in
the same manner as it does when it is powered from an external AC or DC
source, except that the cooling fan does not operate, and the Main AC
Power On LED is not lit. Whenever a battery-equipped Counter is on
(not in Standby), the battery annunciator in the lower-right corner of the
front-panel display (see Figure C-1) indicates the approximate charge
level remaining in the batteries. This allows you to estimate the amount of
time you can continue to operate from battery power before recharging the
batteries or replacing them with fully charged batteries.
Figure C-1. Battery Charge Level Indicator
Battery Charge Indicator