EnGenius DuraFon PRO - Battery Recharge and Replacement

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displayed number.
Re:The CID default is 10 digits, when press FORMAT key, it will be 7-
digit –> 11-digit –> 10-digit in circle.
3.
After the displayed number chosen, press the key to call back.
Battery Recharge and Replacement
1.
Charge the battery when one or several of the following happen:
a.
Phone beeps twice every two seconds.
b.
Battery icon is empty.
c.
Phone does not respond when a key is pressed.
d.
LCD and backlighting become dim.
e.
A decrease in coverage is experienced.
2.
You can replace the handset battery after placing the call-in-progress on hold.
3.
Battery talk time and standby time vary depending on the talk/standby pattern
and the operating distance. Returning the handset back to the charging cradle
as often as possible is recommended for best performance. Use only
manufacturer provided battery and charger!