EFJohnson 7243 LTR-Net Portable UHF Two-Way Radio User Manual


 
MISCELLANEOUS
59
Battery Charger Operation
The charger shown above has two slots in which to place a battery.
The back slot is for fast charging and the front slot is for slow charging.
Only the battery can be inserted in the fast charge slot and the entire
transceiver can be inserted in the slow charge slot if desired. Batteries can
be charged in both slots at the same time. The operation of the two indi-
cators is described in Table 1.
Fast Charging - When a battery is placed in the fast charge slot, fast
charging begins as indicated by a steady red indicator. Then when the
battery is nearly fully charged, the charger switches to a trickle rate (20-
40 mA) and the indicator turns green. It continues at this rate until the
battery is removed from the charger. The temperature must be 0 to +45°
C (+32 to +113°F) for rapid charging to occur. Approximate charge time
in this slot for a fully discharged battery is 1.5 hours.
NOTE: Occasionally, a fully charged condition may be falsely detected
and the trickle mode entered after only a few minutes of rapid charging.
To resume normal rapid charging if this occurs, momentarily take the
battery out of the slot.
Slow Charging - Batteries placed in the front slot are always charged at
the slow rate (100-120 mA). The slow charge indicator turns green when
Fast Charge Slot Slow Charge Slot
Fast Charge Slot
Slow Charge Slot Indicator
Indicator