Unitech HT660 Wireless edition, Руководство по продукции

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HT660 Product Reference Guide
12
Switch On Backup Battery
Locate the backup battery switch inside the battery compartment on the left-hand
side. Please ensure that it is in the “ON” position before charging the main
battery.
Supply Power to the HT660
Connect the RS232/Charging Cable or USB/Charging Cable to the HT660 and
connect the AC adapter to the cable’s power jack and an electrical outlet.
Or place the HT660 into the Docking Station (first connect the power supply
to the Docking Station).
First Time to Charge the Main Battery & Backup Battery
We would like to propose to charge the battery at least up to 12 hours for the first
time to use. While it normally only takes about 4 hours to charge the battery
after it's been drained, when charging the battery for the first time please allow at
least 12 hours. While charging the main battery the backup battery should also
be charged. Please make sure the backup battery has been switched “ON” (this
cannot be emphasized enough).
CAUTION:
There is a high risk of data loss from RAM if the backup
battery is not fully charged. This can happen if the main battery has been
drained and the unit is not connected to the AC adaptor. For this reason, it
is crucial that the backup battery is switched on before charging the main
battery for the first time.
Off
On