Pioneer SE-MS9BN Instructions D'utilisation page 10

10. LED indicator
Operation
When not connected to a
Bluetooth device
Pairing mode
When connected to a Bluetooth
device
During recharging
11. Troubleshooting
Problem
Power won't turn on.
The batteries will not charge.
Can't perform pairing.
Can't perform Bluetooth
connection.
No sound. (When playing
music)
LED indicator
LED flashes blue twice every one second.
LED alternately flashes blue and red.
LED flashes blue once every three seconds.
LED lights red.
Remedy
Recharge the wireless headphones.
Confirm that computer's power is ON.
Confirm that computer is not in power-saving
mode.
Confirm that accessory micro-USB cable is
securely connected to both the wireless head-
phones and the computer.
Place the wireless headphones and Bluetooth
device closely together when performing pairing.
Confirm that power is turned on for both wireless
headphones and Bluetooth device.
Confirm that Bluetooth function is turned ON in
the device you are connecting to.
Confirm that power is turned on for both wireless
headphones and Bluetooth device.
Confirm that connection with Bluetooth device is
set for profile A2DP.
Confirm that the connected music playback
device is set for PLAY.
Confirm that sound volume controls on both
wireless headphones and music playback device
are set to appropriate levels.
Problem
Sound is distorted. (When play-
ing music)
Can't use hands-free operation.
Communication distance is
short, sound is garbled.
Can't perform connection with
NFC.
Can't use the voice assistant
function.
10
En
Remedy
Check that no other devices utilizing the 2.4 GHz
wavelength (including microwave ovens, wireless
radios, etc.) are nearby, and that no obstructions
block the signal path.
Confirm that wireless headphones and Bluetooth
device are connected using the profile HFP or
HSP.
If connection to the Bluetooth device is in profile
A2DP, it may be necessary to change connection
profiles (depending on the specifications of the
Bluetooth device).
Check that no other devices utilizing the 2.4 GHz
wavelength (including microwave ovens, wireless
radios, etc.) are nearby, and that no obstructions
block the signal path.
Confirm that the Bluetooth device is equipped
with NFC function.
Activate the NFC setting on the Bluetooth device.
Confirm that the orientation of the wireless head-
phones and Bluetooth device is correct when
swiping.
In some cases recognition of the device may
require more time; in this event continue swiping
the devices until connection is completed.
Remove the Bluetooth device from its case or
cover.
Confirm that the settings of the paired Bluetooth
device are set correctly.