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m AS 1                                  Ovum TWO-WAV RADIO


               PROGRESS LINE








                                                                 CHARGERS



                                                                 There are four types of
                                                                 chargers available with
                                                                 the MASTR personal series
                                                                 radios—a single-unit
                                                                 desk charger, a multi-unit
                                                                 charger, a vehicular charger
                                                                 and a fast charger.










             DESK CHARGERS
             These General Electric chargers
             are the only ones on the market
             today that bring the battery from
             any discharged state to a full
             charge without overcharging.
            When the battery is inserted, an
             indicator iight shows that the
            battery is charging. When the
             light goes out, the battery is
            charged to 70% of its capacity.
            At this point, the charger auto­
            matically switches to a trickle­
            charge mode to complete the
            charging cycle at a slow, safe                         FAST
            rate. Even at the 70% capacity,
            the unit may be operated for 14                        CHARGERS
            hours at a 5 — 5 — 90% duty
            cycle.
                                                                   Whereas the normal charge time
                                                                   to arrive at 100% capacity is 14
                                                                   to 16 hours, the fast charger
                                                                   brings a completely discharged
                                                                   battery to a 70% charge level in
                                                                   15 minutes. As with all other
                                                                   chargers, a full 100% capacity
                                                                   will be reached in about six hours
                                                                   after the battery reaches the
                                                                   70% point through the automatic
                                                                   trickle charge feature.
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