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Fluke 123
Users Manual
38
Charging the Ni-Cd Battery Pack
At delivery, the Ni-Cd batteries may be empty and must be
charged for 4 hours (test tool is off) to fill them completely.
When fully charged, the batteries typically provide 4 hours
of use at full brightness and 5 hours at normal brightness.
When battery powered, the battery indicator on the bottom
of the screen informs you about the condition of the
battery. The battery symbols are:
.
The battery symbol
indicates that there are typically
five minutes of operating time left.
Use the setup as shown in Figure 2-1 to charge the battery
pack and power the instrument.
Turn the test tool off to charge the batteries more quickly.
Note
The test tool uses a trickle charge for the
batteries, so no damage can occur if you leave it
charging for long periods, e.g., through the
weekend.
Figure 2-1. Charging the Battery Pack