Controls and Connections
The
Battery
2
2-11
Responding to Low Battery Warnings
When the NiMH battery pack has about 30 minutes of operating time
remaining, the tester issues a tone and displays a low-battery warning on the
LCD. This warning overlays the currently displayed screen.
Note
To remove the warning, press
L
.
If the low battery warning appears while you are operating the tester, it is
advisable to connect the CopperPro to an external power source within the
next several minutes to guarantee that the currently displayed test data is not
lost due to a power failure. If you continue to operate the CopperPro without
an external power source, the tester issues a final distinctive audible tone and
then powers itself off.
Charging the Battery
To charge the battery, either connect the CopperPro to AC power (see
“Connecting to AC Power”) or connect it to an automobile battery (see
“Connecting to an Automobile Battery”).
During operation from either external power source, the battery receives a
“trickle” charge that allows you to operate the tester for extended periods of
time without discharging the internal battery pack. When the CopperPro is
connected to an external power source but turned off, the battery automatically
undergoes a fast-charging cycle.
A full charging cycle can take between two to three hours to complete. The
charging status LED on the side connector panel indicates the state of the
battery charge as one of the following:
•
Flashing red: indicates that the battery is being prepared for fast charging,
and is in the “pre-charge” mode. This state lasts for several minutes before
the battery enters fast charging mode. This state will be extended for
extremely low voltage, low temperature, or high temperature battery
conditions, with the fast charge mode beginning when the battery has
reached the proper voltage and temperature range.
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