Motorola MC75A, User Manual, Page: 24 / 232

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charge. This is also true any time the backup battery is discharged, which occurs when the main battery is
removed for several hours. The backup battery retains RAM data in memory for at least 15 minutes (at room
temperature) when the MC75A's main battery is removed. When the MC75A reaches a very low battery state, the
combination of main battery and backup battery retains RAM data in memory for at least 48 hours.
To charge the main battery, use either a charging cable or a cradle. For cable and cradle setup and charging
procedures refer to the
MC75A Integrator Guide .
•
Single Slot USB/Serial Cradle
•
Four Slot Ethernet Cradle
•
Four Slot Charge Only Cradle
•
Vehicle Cradle.
To charge the main battery:
1.
Connect the charging accessory to the appropriate power source.
2.
Insert the MC75A into a cradle or attach to a cable. The MC75A begins charging. The Charging/Battery Status
LED blinks amber while charging, then turns solid amber when fully charged. See
Table 1-2 for charging
indications.
Table 1-1 lists the charge times for each available battery:
Figure 1-7
LED Indicators
Table 1-1
Battery Charge Times
Battery Size Charge Time
1950 mAh Changes in less than four hours.
3600 mAh Changes in less than eight hours.
4800 mAh Changes in less than ten hours.
Radio Status LED
(MC75A6/8 only)
Scan/Decode
LED
Charging/Battery
Status LED