Sony MEX-BT5750U User Manual

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*1 If “Security” is set, “Security Code” appears and 
operation is not possible.
*2 If a character that cannot be displayed on this unit 
is used, it is not displayed correctly.
Calling from the phonebook in the 
unit
Rotate the control dial to select “Phonebook,” 
then press the select button.
Select an initial from the initial list.
Select a name from the name list.
Select a phone number from the number list.
Select “Call.”
Calling from the call history in this 
unit
Rotate the control dial to select “Recent Call,” 
then press the select button.
Select a name and number from the call 
history.
Select “Call.”
Note
You can call from the call history of this unit only.
Calling by phone number input
Rotate the control dial to select “Dial,” then 
press the select button.
Input the phone number using number buttons, 
the control dial or card remote commander.
Select “Yes.”
To input “+,” press and hold the 0 button on the 
card remote commander.
Calling by preset number
You must store a phone number to the Preset Dial 
beforehand (page 28).
Press (1) - (6) with the “Bluetooth Phone” 
source selected.
Select “Yes.”
Presetting the volume of ring tone 
and talker’s voice
You can preset the volume level of the ring tone 
and talker’s voice.
To adjust the ring tone:
Rotate the control dial while the phone is ringing. 
“Ring Volume” appears and ring tone volume is 
set.
To adjust the talker’s voice:
Rotate the control dial with the “Bluetooth 
Phone” source selected. “Talk Volume” appears 
and the talker’s voice volume is set.
Sending DTMF (Dual Tone Multiple 
Frequency) tones
You can send DTMF tones.
To send DTMF tones, press the required number 
buttons (0 – 9,   or 
) on the card remote 
commander during a call.
To end a call
Press 
 (handsfree) again, or (OFF).
Note
Even if the call is ended, the Bluetooth connection is 
not canceled.
Mic Gain adjustment
You can switch the volume levels (“–2,” “–1,” 
“0,” “+1,” “+2”) to set a suitable level for the 
other party during a call.
Tip
If you set “Auto Answer” to on, the phone call is 
automatically started in the set time (page 22)
.
Receiving calls
When receiving a call, ring tone is output from 
your car speakers.
1
Press 
 (handsfree) when a call is 
received with a ring tone. 
The phone call starts.
Note
The Built-in Microphone of this unit is located on the 
rear of the front panel (page 10).
 Do not cover the 
microphone with tape, etc.
To reject a call
Press (OFF).
Call transfer
In order to activate/deactivate the appropriate 
device (this unit/cellular phone), check the 
following.
Dial
Inputs the phone number using the control dial 
or card remote commander.
Receive PB*
1
*
2
 (Receive Phonebook)
Receives and stores the phonebook data from a 
cellular phone (page 27).
Security
Locks the personal information by setting a 
4-digit password.
If you set the security, “Security Code” appears 
when the above menus are operated.
To unlock the security, input the password. You 
can operate this unit without input password 
until it is turned off.