BATTERIES AND MAINTENANCE1122 BATTERIES AND MAINTENANCERechargeable backup batteries and battery packs are not initiallyfully charged. Therefore the initial operation to perform is to chargethem. See below.NOTEBy default, the battery pack is disconnected at the factory to avoiddamage due to excessive draining.Annual replacement of rechargeable battery pack avoids possiblerisks or abnormalities and ensures maximum performance.CAUTION2.1 CHARGING THE BATTERY PACKThe battery pack autonomy varies according to many factors, suchas the frequency of barcode scanning, RF usage, battery life,storage, environmental conditions, etc.NOTEThe battery icon on the Taskbar indicates when the battery pack is low.It is possible to recharge the battery pack by connecting the power supply directly tothe Elf.Alternatively, it is also possible to recharge the battery pack by using the single slotdock, the powered mobile dock, the Ethernet four slot dock or the four slot batterycharger.Moreover recharging is possible by USB direct connection with the host computer,but with longer charging times and only if the PDA is off.During the charging process the LED positioned at the left side of the display glowsred constantly. Once the charging process has been completed this LED glows greenconstantly (see par. 4.5.1).If the battery pack is removed from the PDA, it can be recharged by inserting it intothe rear slot of the single slot dock, the powered mobile dock, the ethernet four slotdock or the four slot battery charger.