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Maintaining the Test Tool
Keeping Batteries in Optimal Condition
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Keeping Batteries in Optimal Condition
Always operate the test tool on batteries until an -icon
appears on the bottom line of the screen. This indicates
that the battery level is low and that the batteries need to
be recharged.
Frequent charging of the batteries when they are not
completely empty can reduce the operating time for the
test tool.
You can refresh the battery pack at any time. This battery
refresh cycle fully discharges and charges the battery pack.
A complete refresh cycle takes about 14 hours (Fluke 123
with Ni-Cd battery) or 19 hours (Fluke 124 with Ni-MH
battery) and should be done at least four times a year.
Note
Be sure not to disconnect the Power Adapter
during the complete refresh cycle. Doing so will
interrupt the refresh cycle.
To refresh the battery pack, do the following:
• Be sure that the test tool is line powered.
Open the USER OPTIONS menu.
Open the BATTERY REFRESH
submenu.
Highlight START REFRESH.
Start the refresh cycle.
Note
After start of the refresh cycle, the screen will be
black.The backlight is on during discharging
within the refresh cycle.