
1 - 4 MC21XX Series User Guide
Figure 1-3
Inserting the microSD Card
Install Main Battery
If the main battery is charged, the MC21XX can be used immediately. If the main battery is not charged, see
Battery Charging on page 1-4. To remove the main battery, see Main Battery Removal on page 1-7.
Insert the battery into the slot, bottom first and press the battery gently into the slot. The battery latches lock
the battery into place.
Figure 1-4
Insert Battery
Battery Charging
The main battery can be charged before insertion into the MC21XX or after it is installed. Use the Four-slot
Battery Charger to charge the main battery (out of the MC21XX) or the supplied power supply to charge the
main battery while it is installed in the MC21XX.
Before using the MC21XX for the first time, fully charge the main battery until the LED Indicator remains lit (see
Table 1-1 on page 1-5 for charge status indications). The battery fully charges in less than four hours.
The MC21XX is equipped with a memory backup battery which automatically charges from the main battery
whether or not the MC21XX is operating or is in suspend mode. The memory backup battery retains data in
memory for at least 5 minutes when the MC21XX’s main battery is removed or fully discharged. When the
microSD Card
CAUTION Ensure that you follow the guidelines for battery safety described in Battery Safety Guidelines on page
7-2.
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