18
3. Adapter:
Connect the lead from the external power adapter to socket at
rear back of phone set and connect adapter to an external AC socket.
Good ground may guarantee phone’s reliable performance.
2.6 Power Supply
There are two ways of power supply:
1.
External power supply
2.
Spare rechargeable battery supply
As usual, suggest make use of external power supply. When
power down or unavailable power supply nearby, you can use battery
for backup.
With external power supply connection and switch
BATT
to
“ON”
,
phone can automatically detect battery’s current capability and charge
the battery accordingly. At that time, external power adapter becomes
hot. It is normal.
Note:
When the battery is in low-voltage, phone may not work
normally:
- In state of standby, phone alerts.
- During a call, alert may interrupt your call.
- Phone powers off automatically when in extreme
low-voltage.
Содержание WP822R
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