Sony WH-CH400 Reference guide

Help Guide
Wireless Stereo Headset
WH-CH400
Use this manual if you encounter any problems, or have any questions.
Getting started
What you can do with the Bluetooth function
About voice guidance
Supplied accessories
Checking the package contents
Parts and controls
Location and function of parts
About the indicator
Power/Charging
Charging the headset
Available operating time
Checking the remaining battery charge
System requirements for battery charge using USB
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Turning on the headset
Turning off the headset
Making connections
How to make a wireless connection to Bluetooth devices
One-touch connection (NFC) compatible Android devices
One-touch connection (NFC) with a smartphone (Android 4.1 or later)
Disconnecting the smartphone by one touch (NFC)
Switching the device by one touch (NFC)
Android devices not compatible with one-touch connection (NFC)
Pairing and connecting with an Android smartphone
Connecting to a paired Android smartphone
iPhone (iOS devices)
Pairing and connecting with an iPhone
Connecting to a paired iPhone
Computers
Pairing and connecting with a computer (Windows 10)
Pairing and connecting with a computer (Windows 8/Windows 8.1)
Pairing and connecting with a computer (Windows 7)
Connecting to a paired computer (Windows 10)
Connecting to a paired computer (Windows 8/Windows 8.1)
Connecting to a paired computer (Windows 7)
Other Bluetooth devices
Pairing and connecting with other Bluetooth devices
Connecting to a paired Bluetooth device
Disconnecting Bluetooth connection (after use)
Listening to music
Listening to music via a Bluetooth connection
Listening to music from a device via Bluetooth connection
Controlling the audio device (Bluetooth connection)
Disconnecting Bluetooth connection (after use)
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Supported codecs
Making phone calls
Receiving a call
Making a call
Functions for a phone call
Disconnecting Bluetooth connection (after use)
Using the voice assist function
Using the voice assist function (Google App)
Using the voice assist function (Siri)
Important information
Precautions
Trademarks
Customer support websites
Troubleshooting
What can I do to solve a problem?
Power/Charging
The headset is not turned on.
Charging cannot be done.
Charging time is too long.
The headset cannot be recognized by a computer.
The remaining battery charge of the headset is not displayed on the screen of an iPhone or iPod touch.
Sound
No sound
Low sound level
Low sound quality
Sound skips frequently.
Bluetooth
Pairing cannot be done.
One-touch connection (NFC) does nor work
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4-730-303-11(2) Copyright 2018 Sony Corporation
Unable to make a Bluetooth connection
Distorted sound
The Bluetooth wireless communication range is short, or the sound skips.
The headset does not operate properly
Cannot hear a person on a call.
Low voice from callers
Resetting or initializing the headset
Resetting the headset
Initializing the headset to restore factory settings
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Help Guide
Wireless Stereo Headset
WH-CH400
What you can do with the Bluetooth function
The headset uses BLUETOOTH ® wireless technology, allowing you to listen to music or make phone calls wirelessly.
Listening to music
You can receive audio signals from a smartphone or music player to enjoy music wirelessly.
Talking on the phone
You can make and receive a call hands-free, while leaving your smartphone or mobile phone in your bag or pocket.
4-730-303-11(2) Copyright 2018 Sony Corporation
5

Help Guide
Wireless Stereo Headset
WH-CH400
About voice guidance
You will hear voice guidance in the following situations via the headset.
When powering on: “Power on”
When powering off: “Power off”
When entering pairing mode: “BLUETOOTH pairing”
When establishing a Bluetooth connection: “BLUETOOTH connected”
When disconnecting a Bluetooth connection: “BLUETOOTH disconnected”
When the remaining battery charge is low when you turn on the headset: “Battery level low”
When automatically turning off due to low battery: “Please recharge headset”
4-730-303-11(2) Copyright 2018 Sony Corporation
6

Help Guide
Wireless Stereo Headset
WH-CH400
Checking the package contents
After opening the package, check that all items in the list are included in the package. If items are missing, contact your
dealer.
Numbers in ( ) indicate the item amount.
Wireless Stereo Headset (1)
Micro-USB cable (approx. 50 cm (19 3/4 in.)) (1)
Reference Guide (1)
Operating Instructions (1)
Other documents (1 set) (*)
4-730-303-11(2) Copyright 2018 Sony Corporation
May not be supplied in some countries or regions.
*
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Help Guide
Wireless Stereo Headset
WH-CH400
Location and function of parts
Headband1.
L mark2.
left unit3.
R mark4.
right unit5.
Slider
Slide to adjust the length of the headband.
6.
Tactile dot
The left unit has a tactile dot.
7.
/ / (power/play/call) button
Operate to turn on/off the headset, play music, or make a call.
8.
Indicator (blue/red)
Lights up in red while charging.
Lights up in red or blue to indicate the power or communication status of the headset.
9.
Micro-USB port
Connect a computer or USB AC adaptor (not supplied) to this port with the supplied micro-USB cable to charge the
headset.
10.
Microphone
Picks up your voice during a call.
11.
Built-in antenna
A Bluetooth antenna is built into the headset.
12.
+/ (volume +/next) button13.
-/ (volume -/previous) button14.
N -mark15.
8

Related Topic
About the indicator
Checking the remaining battery charge
4-730-303-11(2) Copyright 2018 Sony Corporation
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Help Guide
Wireless Stereo Headset
WH-CH400
About the indicator
You can check various statuses of the headset by the indicators.
: Turns on in blue / : Turns on in red / - : Turns off
Turning on
- (flashes two times)
Turning off
(lights for about two seconds)
Bluetooth status indication
Pairing mode
Not connected
- - - - - - (about one-second intervals)
Connection process completed
(flashes quickly for about five seconds)
Connected
- - - (about five-second interval) - - -
Incoming call
Remaining battery charge indication
High
- - - -
Medium
- -
Low (needs to charge)
For details, refer to “Checking the remaining battery charge.”
Charging
While charging
Other
Initialization completed
For details, refer to “Initializing the headset to restore factory settings.”
Hint
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