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IMPORTANT SAFETY NOTE: Prolonged exposure to high volume levels can damage your hearing. To avoid injury, set the volume to the lowest comfortable level. If you experience ringing in your ears, or voices sound muffled, stop using the headset. Avoid turning up the volume to block noisy surroundings. It's possible for your ears to adapt to volume that is too high, and this could result in permanent hearing damage without any noticeable discomfort.
Images are not shown to scale.
On: Headset is on, but there is no connection to the phone (red light will flash).
MFB: Abbreviation for "Multifunction Button."
Multipoint Mode: Multipoint Mode allows you to connect and switch between two Bluetooth devices.
Paired: Two Bluetooth devices agree to communicate with one another.
Standby Mode: Headset is on, Bluetooth link is active, and the user is not on a call (blue light will flash).
Talk Mode: Headset is in use with the cell phone while the cell phone is on an active call (blue light will flash).
A2DP: Advanced Audio Distribution Profile is a Bluetooth protocol for streaming audio other than call audio, e.g. music or GPS directions.
Connect the USB charging cable into the headset's USB charging port. If the headset is not fully charged, the indicator will turn red. When the indicator turns blue and stays blue, the unit is fully charged. A fully discharged battery will need approximately 3.5 hours to achieve a complete charge.
While charging, the MFB's indicator Indicator Lights light shows the level of battery power on your C400-XT as follows:
Blue light: Fully charged. Over 24 hours' talk time.
Red light: Less than a full charge. For best performance, keep charging headset when not in use.
The C400-XT headset will operate from battery power or from power supplied via the USB cable.
NOTE: Do not attach the USB cable to a powered USB port mid-call. This will cause the headset to reset, and the call will be sent back to the phone.
When the headset is operating from the battery, all indicator lights and sounds will function as described in this guide.
When the headset is operating from power supplied via the USB cable, the headset— including the audio indicators—will function as described in this user guide. However, the MFB lights will indicate the battery charge status.
While the headset is on the charger, press the MFB long enough to power the unit on. The headset should reconnect automatically unless your phone is set to "always ask" for connection requests.
After the battery is fully charged, the MFB charge light will turn blue and stay blue as long as a powered USB cable is connected to the headset. While the headset is fully charged and the charge light is blue, the blue indicator light will also be on if the headset is powered on.
The C400-XT headset is supplied with a choice of Over-The-Head and Behind-The-Neck wearing styles:
Wearing and Adjusting the C400-XT
To get the best noise-canceling performance, position the microphone near the corner of your mouth. Positioning is important; small adjustments in microphone placement can improve performance.
Turn Headset On: Hold down the MFB for approximately 2-3 seconds until you hear a voice prompt, "power on." The red light will flash once every second.
Turn Headset Off (conserves battery power): Hold down the MFB for approximately 4–5 seconds until you hear a voice prompt "power off.
" A red light will flash 4 times and the headset will turn off.
Standby Mode: Once the headset is turned on (after the initial pairing), it will attempt to connect to the last device that it was paired with, putting itself into Standby Mode.
When you turn your C400-XT on for the first time, or if its Paired Device List has been cleared, it will go into pairing mode automatically. You can pair the headset using NFC or manually.
Note: NFC and One-Touch Pairing are dependent on your cell phone. The size and sensitivity of your phone's NFC zone and the specific way to connect the headset may vary between devices.
If the C400-XT has already been paired with another device and you are not going to use NFC Pairing, you will need to put it into Pairing Mode manually:
By Voice:
Activate headset voice recognition by pressing the Parrott Button or by pressing and holding the Volume Up button. Then, after the prompt, say "pair mode." The headset will enter pairing mode and be visible for pairing to devices for 120 seconds.
Using Buttons:
With the headset powered off, press the MFB until the light rapidly flashes blue and you hear the audio prompt "power on." Keep holding the MFB for approximately 10 seconds until you hear "Pair Mode."
The headset will be visible for pairing to devices for 120 seconds.
The headset must be on and connected with your phone.
By Voice:
Using Buttons:
By Voice:
Using Buttons:
The C400-XT will recognize English voice commands, enabling you to handle incoming calls without touching the headset. You can say "answer" to answer an incoming call, or "ignore" to reject it.
When not on a call, press the Parrott Button (if not reconfigured to do something else), or press and hold the Volume Up button to activate voice commands. For a list of available commands, say "What can I say?"
Answer – Answers an incoming call
Ignore – Rejects the incoming call and sends it to voicemail (if available)
What can I say? – Provides a list of available commands
Pair mode – Puts the headset into pairing mode
Am I connected? – Verifies that the headset is connected to a device
Check battery – Checks battery levels in the headset and paired device (if applicable)
Redial – Redials the last outgoing call
Callback – Calls the last incoming call (if phone number available)
Cancel – Cancels voice command
As provided from the factory, the Parrott Button provides an easy way to mute the headset on a call and activates voice commands when not. However, you can also configure the button for other functions, such as a speed dial button for a dedicated phone number, or to launch a particular application on your phone.
If the Parrott Button is reconfigured to provide a different function, voice commands can still be activated by pressing and holding the Volume Up button.
To change the Parrott Button functions, you will need to download an app for your phone (Android or iOS) or PC.
Go to www.blueparrott.com/parrott for updates and more information.
The C400-XT has pairing memory for up to eight (8) devices. The headset can also use Multipoint Mode, which means that it can be connected to two Bluetooth devices at the same time. You do not have to do anything to enable Multipoint Mode.
Using the C400-XT in Multipoint Mode
The C400-XT will monitor both phones and enable you to answer a call on either one using the headset.
If you are on a call and the other device receives a call, you will hear a notification in the headset.
Proximity Pairing is an alternative method of pairing where the headset initiates the pairing process instead of your phone.
NOTE: This may include entering the pin number "0000" (four zeros).
By Voice:
You can use voice commands to dial both the last outgoing and last incoming call.
Using Buttons:
To redial the last outgoing call that was dialed from the cell phone, press and hold the Volume Down button for approximately 1 second. A beep will be heard and the phone will redial the last number.
If you are on an active call and a second call comes in, you will hear a low tone notification in the headset. Where supported by your phone, you can either accept the incoming call and end the active call, accept the incoming call and place the active call on hold, or reject the incoming call and continue the active call.
By Voice:
To reject an incoming call by voice when not on another call, say "ignore."
Using Buttons:
To reject an incoming call manually, press and hold the MFB for 1-2 seconds.
Press the MFB once while the headset is in standby mode to initiate voice command functions on your phone. Support for this is phone dependent. See your phone's user guide for more information.
By default, the Parrott Button will act as a mute on calls (unless it has been configured for another function). The Volume Up button will also function to control mute.
To transfer audio from the headset to the cell phone while on a call, press and hold the Volume Down button for 1-2 seconds. The audio will transfer to the phone. Repeat to transfer audio back to the headset. When audio is transferred to the phone, the light on the headset will be off until audio is transferred back to the headset.
A quick press of the Volume Up and Volume Down buttons together will turn the headset indicator lights off. Repeat to turn the indicator lights on.
When powering on the headset, the indicator lights will be in the same state as they were when last powered off.
This will reset, or clear the headset's internal paired devices list. The headset must be on to perform this function.
This will reset or clear the headset's internal paired devices list and will also restore the Parrott Button's factory defaults (voice command and mute). The headset must be on to perform this function.
Function | Button/Duration of Press | LED Indicator | Audio Indicator | Voice Indicator (in English) |
Power On | MFB (2-3 seconds) | 3 fast blue flashes | Short tone | "Power on" |
Power Off | MFB (3-4 seconds) | 4 fast red flashes | NONE | "Power off" |
Enable Pairing Mode | MFB (5-15 seconds) | Red and blue, alternating | NONE | "Pair mode" |
Volume Up | Volume Up (quick press) | NONE | Single tone | NONE |
Volume Down | Volume Down (quick press) | NONE | Single tone | NONE |
Mute (On/Off) | Parrott Button (quick press) or Volume Up (2 seconds) | NONE | Single tone, reminder tone every 10 seconds | NONE |
Answer a Call | MFB (quick press) or say "Answer" | Blue flash, once per second | Two rising tones | NONE |
End a Call | MFB (quick press) | Blue flash, every 4 seconds | Two falling tones | NONE |
Reject a Call | MFB (1-2 seconds) or say "Ignore" | NONE | Two falling tones | NONE |
Transfer Audio | Volume Down (1-2 seconds) | NONE | Long, low tone | NONE |
Initiate Voice Commands (when in standby mode) | Parrott Button (quick press) or Volume Up (2 seconds) | NONE | Short tone | "Please say a command" |
Low Battery | N/A | Red flash | NONE | "Battery very low" |
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download BlueParrott C400-XT - Voice-Controlled Bluetooth Headset Manual
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