Lowrance electronic LMS-520C - Manual (Page 52)

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Portable Installation
Like many Lowrance products, the unit is capable of portable operation
by using an optional portable power pack. The power pack, a magnet-
equipped antenna module and an optional portable transducer, ex-
pands the uses for your sonar/GPS unit. It makes it easy to transfer
your unit from a boat to a car, recreational vehicle, airplane or other
vehicle without mounting a second bracket. You can use it in your own
car or boat, then take it along when riding in a friend's vehicle.
The power pack can be used with eight "D" cell alkaline batteries or an
optional sealed, rechargeable battery. Visit our web site for a complete
listing of all the available portable power packs.
PPP-15 Portable Power Pack with transducer installed. Shown with
the X67C IceMachine ™ .
MMC or SD Card Memory Card Installation
Your unit uses a MultiMedia Card to store information, such as sonar
logs, custom maps, waypoints, trails and other GPS data. It can also
use Secure Digital Cards (SD card) to store data.
NOTE:
Throughout this manual, we will use the term MMC, but just re-
member that your unit can use an MMC or SD card to store data.