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Basic settings
14
Charging the rechargeable batteries of the mobile units
The mobile units are fitted with a built-in Li-Ion
rechargeable battery which provides an operating
time of approx. 12 hours.
Charging the rechargeable battery for the first time
왘
Place each mobile unit into a charging slot
. Since
both mobile units are identical, there is no
preferred charging slot for a mobile unit.
The hook key
is backlit in blue and the LED
starts flashing in green every two seconds.
Note:
Make sure the mobile unit in the right-hand
charging slot is connected to the headset to avoid
the warning for missing audio connection (orange
flashing and beeping).
왘
Do not interrupt the charging process for at least
two hours!
Charging the rechargeable battery while telephoning
(Hot Swap™)
When the rechargeable battery of a mobile unit is
going flat
y
a low buzzing tone can be heard in the headset
twice every 5 seconds,
y
a low buzzing tone from the mobile unit can be
heard twice every 5 seconds – provided the buzzer
is switched on (see “Switching the buzzer on/off”
on page 27),
y
the LED
flashes in red twice every 5 seconds,
y
the rechargeable battery of the mobile unit has to
be charged within the next 30 minutes.
Summary of Contents for DW 800
Page 1: ...Instructions for use DW 800...
Page 28: ......