Sony MEX-M70BT Owner's Manual

The sound is intermittent.
 The sound may be intermittent at a high-bit-rate

of more than 320 kbps.

Pandora® connection is not possible.
 Shut down the Pandora® application on the

mobile device, and then launch it again.

Application name is mismatched with the actual
application in App Remote.
 Launch the application again from the “App

Remote” application.

NFC function

One touch connection (NFC) is not possible.
 If the smartphone does not respond to the

touching.
 Check that the NFC function of the smartphone

is turned on.

 Move the N-Mark part of the smartphone

closer to the N-Mark part on this unit.

 If the smartphone is in a case, remove it.

 NFC receiving sensitivity depends on the device.

If One touch connection with the smartphone
fails several times, make BLUETOOTH connection
manually.

BLUETOOTH function

The connecting device cannot detect this unit.
 Before the pairing is made, set this unit to pairing

standby mode.

 While connected to a BLUETOOTH device, this

unit cannot be detected from another device.
 Disconnect the current connection and search

for this unit from another device.

 When the device pairing is made, set the

BLUETOOTH signal output to on (page 9).

Connection is not possible.
 The connection is controlled from one side (this

unit or BLUETOOTH device), but not both.
 Connect to this unit from a BLUETOOTH device

or vice versa.

The name of the detected device does not
appear.
 Depending on the status of the other device, it

may not be possible to obtain the name.

No ringtone.
 Adjust the volume by rotating the control dial

while receiving a call.

 Depending on the connecting device, the

ringtone may not be sent properly.
 Set [RINGTONE] to [1] (page 21).

 The front speakers are not connected to the unit.

 Connect the front speakers to the unit. The

ringtone is output only from the front speakers.

The talker’s voice cannot be heard.
 The front speakers are not connected to the unit.

 Connect the front speakers to the unit. The

talker’s voice is output only from the front
speakers.

A call partner says that the volume is too low or
high.
 Adjust the volume accordingly using mic gain

adjustment (page 17).

Echo or noise occurs in phone call conversations.
 Lower the volume.

 Set EC/NC Mode to [EC/NC-1] or [EC/NC-2]

(page 17).

 If the ambient noise other than the phone call

sound is loud, try reducing this noise.
E.g.: If a window is open and noise, etc., is loud,
shut the window. If an air conditioner is loud,
lower the air conditioner.

The phone is not connected.
 When BLUETOOTH audio is played, the phone is

not connected even if you press CALL.
 Connect from the phone.

The phone sound quality is poor.
 Phone sound quality depends on reception

conditions of cellular phone.
 Move your boat to a place where you can

enhance the cellular phone’s signal if the
reception is poor.

The volume of the connected audio device is low
(high).
 Volume level will differ depending on the audio

device.
 Adjust the volume of the connected audio

device or this unit.

The sound skips during playback of a
BLUETOOTH audio device.
 Reduce the distance between the unit and the

BLUETOOTH audio device.

 If the BLUETOOTH audio device is stored in a case

which interrupts the signal, remove the audio
device from the case during use.

 Several BLUETOOTH devices or other devices

which emit radio waves are in use nearby.
 Turn off the other devices.

 Increase the distance from the other devices.

 The playback sound stops momentarily when the

connection between this unit and the cellular
phone is being made. This is not a malfunction.

The connected BLUETOOTH audio device cannot
be controlled.
 Check that the connected BLUETOOTH audio

device supports AVRCP.