Huawei ETS2251, Руководство пользователя

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Following are typical operation procedures of call transfer. For more information,
consult the carrier.
1 You have been connecting with user A.
2 Press <
R
> or <
CALL/REDIAL
> or flap the heaver (you still connects with
user A and he can hear some music), and then input user B's telephone number
and press <
CALL/REDIAL
>.
3 Hearing the ring-back tone, hang up the call (without need of waiting for user
B answering the call). Call transfer is finished and user A and B can
communicate.
Emergency Call
Dialing the emergency number, you can use the emergency call service provided
by the carrier. For the details, consult the carrier.
Call ID Display (CID)
You can view the incoming call number when hearing the ringing tone. For the
details, consult the carrier.
Voice Volume Tuning
The FWT voice volume is divided into 4 levels. From the lowest to the loudest,
they are level 1 to level 4. Following is the specific tuning method.
When the FWT is in conversation state, you press either the key <
UP
> or
<
DOWN
>, the “VOL X (1-4)” interface appears on the display screen, showing
the current volume level. You can tune the volume by pressing the key <
UP
> or
<
DOWN
>. In the event that you pick up the handset, you will tune the earphone
volume while in the event that you press <
HANDFREE
>, you will tune the
hands-free volume. Press the key <
UP
> or <
DOWN
> to tune the volume.
Pressing the key <
DOWN
>, you can turn down the volume while pressing the
key <
UP
>, you can turn up the volume. The FWT will automatically save the
volume setting.