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General Maintenance
Meridian XL
The Meridian XL is powered by three AA batteries. It can also be powered
from an external DC power source by using the optional Power/Data Cable.
Batteries
We suggest using AA alkaline batteries to power the receiver. (Magellan
Systems recommends Eveready Energizer™ batteries.) Alkaline batteries
will power the receiver for 6 hours or more of continuous operation.
To install the batteries, hold the receiver as
shown in the illustration at the right. At
the same time, press down slightly on the
battery compartment cover and pull the
cover toward you. Insert batteries as
indicated in the compartment and replace
the cover.
When the battery power level drops, a warning message will appear on
all displays (LOW BATT). The receiver should still have sufficient power to
operate for up to 30 minutes if alkaline batteries are being used.
When the batteries no longer hold enough power to operate the receiver,
the receiver turns itself off. The batteries will still be able to maintain the
memory for a time, but the receiver can be operated only if external
power is supplied or if fresh batteries are installed.
Batteries are not recharged in the receiver. The low battery
warning appears approximately 10 minutes before the receiver
automatically powers down to preserve memory. When batteries
are changed, you have 15 to 20 minutes to install fresh batteries
without losing memory.
It is possible to use rechargeable batteries, but there are a couple of things
you should be aware of when using them. Commercially available NiCad
batteries typically have poor power performance after repeated use, and
rechargeable alkaline batteries maintain only 50% of the useful life of
standard alkaline batteries. Rechargeables also have a very sudden power
drop at the end of their charge. The drop may be so sudden that the
battery warning is not displayed, although memory can be maintained
for a while.