DELLKING E2 Bluetooth Headset Instruction Manual

Please read the below content carefully before using

Thank you very much for purchasing our E2 Bluetooth PTT headset.
In this user manual, we introduce how to use the E2 products, you can know more about our product according to this user guide. you will love our E2 after you read through and get to use it.

• Please read the ” Cautions and Notes ” before using the product for its safe and correct use.
• All of the following points contain important safety instructions and must be strictly followed.

Cautions

• Do not immerse in water to avoid damaging the product as well as shortening its lifetime.
• Do not drop or apply shock to the product. Such action may cause irreparable damage to the product.
• Do not expose the product to open flame or under direct sunlight for a prolonged period of time. Such an environment may cause malfunction or fire.
• Please do not change the setting or talk on the cell phone while driving. It may cause a Please note: in no event, our product shall be liable for any special, indirect, punitive, incidental, exemplary or consequential damages, or any damages whatsoever resulting from the usage of this product.
• Conversation on the cell phone when driving is extremely dangerous. Please go out of the road for doing the telephone call.
• If anything unusual such as smoke, heat or bad smell is detected, please disconnect immediately the power and stop the usage. Continuing the use may cause electric shock or fire.
• Do not lick, bite or put the product into the mouth. Such act may result in serious injuries/ Take utmost caution around children.
• Do not change the device when it gets wet. Water exposure, it may cause fire, electrification or failure.
• Temperature range of use. -15°C-50°C
• Please use only qualified accessories which have been authenticated by us, in order to guarantee the product’s correct functioning.

Notes on battery charge

• For battery charge, use a USB terminal or USB adaptor at normal temperature.
• Use a regulation USB terminal only. Otherwise, it may cause smoke generation or fire.
• When charging the battery, if any strange odor or high heat should break out, please immediately pull the plug from the body. It may cause smoke generation or fire.
• Do not leave the product in a state of charge long after the charging is completed. Such conditions may cause smoking/ignition.
• Charge battery at least once every six months even if the product is not used for an extended period of time. Over-discharge may require battery replacement.

Product Description

• Dual PTT function
• Dual merged audio
• Support Poc APP
• Phone calls

Specification

noise and echo cancellation
Operating time| -15°C – 45 °C
Storage time| -25°C – 60°C
Battery| Li-polymer Battery(190mA/3.7V)

LED Light Indicator

Main Features:

1. Phone Calls

1. Bluetooth Hands-free. Dual hands-free with mixed dual audio supported.
2. Support voice dial
3. Support the last number redial
4. Call answer, reject and hang up functions supported 5)Hands-free Volume Control

2. PTT Over Cellphone (POC)

1. Support brand poc software such as: Zello Azetti Escheat or Kodiak etc
2. Using DSP noise reduction technology to ensure clear sound quality in noisy environments
3. Note: some POC app may need a special firmware upgrade

3. Push To Talk Function

1. Connect with Bluetooth adapter/dongle
2. Dual PTT function, can control two radio phones separately
3. Primary PTT and secondary PTT are switchable.
4. Dual PTT and mix talk when connect to two radio phones at the same time
5. Mix listen and talk with two phones or two radios, or one phone and one radio 6) Primary and secondary PTT button is switchable

4. Dual Audio Merge Listen and Separate Talk Function

1. Can listen the merged audio from both connected devices or talk group at the same time
2. Can listen and speak to walkie-talkie radio even during an active call
3. Can listen to GPS messages even during an active call
4. High security and privacy level, Only the user can hear the conversation from both far ends, the audio from two other far ends are completely blocked, and can not listen to each other to prevent information leakage to an unwanted person.

5. Dual Link Connect Function

1. Two mobile phones
2. One mobile phone and one radio phone with DELLKING Bluetooth adapter/ dongle device
3. One cell phone and one GPS navigator with Bluetooth HFP/HSP profile
4. One radio device with DELLKING BT Adapter/Dongle and one GPS navigator with Bluetooth HFP/HSP profile

6. Stereo Music playing

1. Listen to the music from the mobile phone or other music sources with A2DP.
2. Support music play, pause, playback, and forward control with AVRCP
3. Independent volume control
4. Soft music volume restore function
5. Can remember the user favorite volume

7. GPS Navigation

1. Support connecting with the GPS Navigation
2. Listen to GPS and phone calls at the same time
3. Independent Volume control Note: Point 3 mix listen function need the GPS use HFP/HSP profile to broadcast voice prompt

8. Firmware upgrade

1. The firmware can be upgraded
2. No need for any other hardware, just a USB cable
3. Easy-to-use PC user guide interface with 12 languages

9. Supports Wireless Control

1. One button remote control supported
2. The remote controller also supports firmware upgrade

Operation:

Power on
In the power-off state, press the Power on/off button and hold it for about 3 seconds, until hear a note, release the button, blue indicator will flash to indicate power on .
Power off
In power-on state, press Power on/off and hold it for about 8 seconds, until hear a long “di” tone, all LED indicators will be off to indicate power off.
Battery charge
In order to recharge the battery inside the E2 PTT headset connect the proper USB cable to the wall charger or to a PC USB port.
Pairing with a mobile phone, BT adapter/dongle or GPS

1. Place the E2 PTT headset and the mobile phone (BT adapter/dongle or GPS) in a visible area within 1-meter range.
2. Make sure the E2 PTT headset is in a power-off state.
3. Press and hold Power Button for about 8 seconds, When the Blue LED and the Red LED alternately flash, release the button; the E2 PTT headset enters in pairing state.
4. By following the mobile phone, BT Adapter/Dongle or GPS navigator instructions, turn on the Bluetooth® function, search and pair the headset devices ©
5. From the found devices in your mobile phone, select the device named: “Dellking E2 vx.xx” and try to pair it by entering, if required on mobile phone, the pin code <0000>. Once paired successfully, the LED indicator will change from Blue/Red alternately to Blue flashing, indicating that the E2 PTT headset has been connected with your mobile phone.

Now it is possible to use the E2 to answer calls or to enjoy the music from a mobile phone. To pair a second cell phone, BT Adapter/Dongle or GPS device just repeat all steps above. Super Priority Pairing The E2 PTT headset can handle devices by assigning them the “super-priority” property for overriding all other devices. The super-priority device will transmit PTT commands by SPP profile.

NOTE
Only one device can be defined as the super-priority device; the latest super-priority paired device will replace the previous one. Only a mobile phone, DELLKING BT Adapter/Dongle or a GPS navigator (i.e. the HFP/HSP links) can be assigned as super-priority.
To assign the super-priority property to a mobile phone or adaptor/dongle, follow the normal pairing procedure (steps 1 to 4) and press the Primary PTT button before turning on Bluetooth® on the device to pair.

1. Place the E2 PTT headset and the mobile phone (BT adapter/dongle or GPS) in a visible area within a 1-meter range.
2. Make sure the E2 PTT headset is in a power-off state.
3.  Press and hold Power Button for about 8 seconds, when the Blue LED and the Red LED alternately flash, release the button; the E2 PTT headset enters in pairing state.
4. If you want to assign to the phone, DELLKING BT Adapter/Dongle, Radio Phone or GPS the super-priority property, just short press the PTT (Primary PTT button) once at this time, then the LED indicator flash pattern will be changed to red two times and blue two times quick flashing. Super priority pairing is ready.
5.  By following the mobile phone or GPS navigator instructions, turn on the Bluetooth® function, and search the headset devices
6. From the found devices in your mobile phone, select the device named: “Delinking E2 vx. xx” and try to pair it by entering, if required on mobile phone, the pin code <0000>. Once paired successfully, the LED indicator will change from Blue/Red alternately to Blue flashing and a “di” tone indicates that the E2 PTT headset has been connected with your mobile phone.

Stop the Pairing Procedure

To stop an initiated pairing procedure there are two possibilities:

• Wait until the pairing procedure automatically timeouts
• Switch off the E2 PTT headset by long-pressing the Power on/off Button.
• USB charge to reset the headset

NOTE

If the connection with a previously paired device doesn’t take effect, it can be due to several reasons, including a breakdown of the Bluetooth® function on the device to be connected. To solve this issue, there are several actions to apply:

• Switch off and on the E2 PTT headset
• Switch off and on the Bluetooth® on the device to be connected
• Repeat the pairing procedure
• Clear all pairing lists on the device to be connected and repeat the pairing procedure.

Clear All Pairing Devices

In power-on and without any active phone call press and hold both PTT (Primary PTT button) and —(MINUS button) together for 6 seconds; when RED LED flash 2 times to release buttons and, after all paring devices have been cleared, the E2 PTT headset will automatically power off.
Volume Up or Down
In any audio active state, press, and hold + (PLUS button) to increase the volume of the corresponding audio source; press and hold —(MINUS button) to decrease the volume of the corresponding audio source. Release the button when the volume reaches the desired level. When the max or min volume level is reached, a limit tone note will be played.
The volume of each audio source (two phones, two music, intercom) can be individually tuned, i.e. 5 different volume parameters can be used.
Volume Levels Automatic Save
All favorite volume levels for each audio source are saved by the E2 PTT headset at power off, so at the next power-on, the E2 PTT headset can automatically set the last user favorite volume level, without any operation required for the user.
Automatic Noise Dependent Volume Control
During phone calls, radio talk, intercom calls or GPS audio messages, if the wind noise or environmental noise is very high and the current volume is not at maximum level, the E2 PTT headset will automatically increase the volume level according to the noise level, and when the noise disappeared for a while, the volume automatically restores back to the original level.

Phone calls

Manually answer an incoming call
When there is an incoming phone call, short press the Power on/off button during only cell phone devices connected state or short press Power on/off Button during one phone device and one BT Adapter/Dongle device connected state to manual answer the call.
Automatically answer an incoming call
The E2 PTT headset has the automatic answer function: at the 3rd incoming call ring tone (about 8 seconds) and no reject operations have been done, the E2 PTT headset will answer the phone call automatically.
Hang up call
In Incall active state, double press the Power on/off button, the call will be hung up.
Place on hold a cal
In call active state, a short press Power on/off Button to toggle shift the active call to hold and un-hold state.
Last number redial
While the E2 PTT headset is connected with the mobile phone and the system is idle, quickly double press the Volume – button then the Mobile phone will dial the last out call number.
If the E2 PTT headset is in music mode, first pause such mode by short pressing the Power on/off Button in cell phone connected only state, or pause/stop the music in user mobile phone first in both cell phone and BT radio dongle connected state.lf there are two mobile phones connected at the same time with the E2 PTT headset, the number of the last outgoing call is dialed on the same call the last outgoing call has been done; if no calls have yet been done, the last number with first connected mobile phone is dialed.
Voice Dial
While the E2 PTT headset is connected with the mobile phone and the system is idle (music), quickly double press +(PLUS button) then the mobile will prompt you to speak out your desired voice command.
If the E2 PTT headset is in music mode, first pause such mode by short pressing the Power on/off Button in cell phone connected only state, or pause/stop the music in user mobile phone first in both cell phone and BT radio dongle connected state.lf the voice dial function has been erroneously activated, double press – (MINUS button ) again to cancel it. If there are two mobile phones connected at the same time with the E2 PTT headset, the voice dial command is initiated on either the first connected mobile phone or the last phone on which an outgoing call was made.
NOTE
Please make sure your mobile phone supports Voice Dial before activating the Voice Dial function. Be careful each mobile phone has a proper voice command to effectively start a new call. Read carefully your mobile phone user manual in order to use the voice call function.

Dual PTT Function

This function need to use with Bluetooth Adapter/Dongle made by Dellking or a corresponding group talk walkie-talkie app in the smartphone such as ZELLO, Azetti, Bper, Kodiak etc.

1. In only one BT Adapter/Dongle or smartphone with group talk app-connected state, both PTT(Primary PTT button) and PTT2 (Secondary PTT button) will control the same PTT function of the only connected device;
2. In two BT Adapter/Dongle or smartphone with group talk app connected to E2 state, like one link connected to a DellKing radio BT dongle, another connected to a smartphone with group talk app, the first connected adapter/dongle will occupy the PTT (Primary PTT button ), the later connected adapter/dongle will leave to use PTT2 (Secondary PTT button).
3. In two devices with PTT functions connected to E2 sate, double press the Power on/off Button to shift the PTT (Primary PTT button) and PTT2 (Secondary PTT button) control;

Stereo Music Playing

The MP3 playback function is only available when not connected to the BT radio Adapter/Dongle state.
The music player start
In phone mode, without any active call, short press the power on/off button to start the music player.
Music play/pause control
In the music playing mode, short press once the Power on/off button to toggle the music play/ pause state.
Music skip forward
In music playing mode, short press once the + (PLUS button) to skip the music forward.
Music skip backward
In music playing mode, short press once the –” (MINUS button) to skip the music backward. Some mobile phone at first short press just restores back to the start of the song, another following short press on the “2 (MINUS button) within 3 seconds skip backward to the previous song.

GPS Navigator

Preliminary operations
Pair to E2 PTT headset GPS devices and please refer to the GPS navigator User Manual first. E2 the audio information from GPS via HFP/HSP link.
Pair the GPS the same way as pairing to a mobile phone. Please refer to the pairing instruction of in the pairing section. GPS navigator will occupy one HSPJHFP link: if one GPS device is connected with the E2 PTT headset, then only one mobile phone can be connected to the Bluetooth microphone.
Pair the GPS the same way as pairing to a mobile phone please refer to the pairing instruction of in the pairing section. GPS navigator will occupy one HSP/HFP link: if one GPS device is connected with the E2 PTT headset, then only one mobile phone can be connected to the Bluetooth microphone.

USB upgrade

Connection to a PC
The E2 PTT headset can be connected to a Windows® PC for the following operations:
Firmware upgrade
Such operations can be performed by means of the proper E2 wizard software, available on the E2 website (www.dellking.net). Such software must be installed on the PC before connecting it to the E2 PTT headset. First Power off the E2, then connect the E2 PTT headset to a PC by proper USB cable. Once such a cable is inserted into both the E2 PTT headset and PC USB port, the E2 is put into the battery power off charge state. For enabling its communication with the wizard software, In power-off state, press and hold the Power on/off Button for more than 20seconds and until no more LED lights Red and Blue alternatively flashing in the LED indicator. At that time the E2 PTT headset can be detected by the wizard software.

Remote control Support

1. Pairing the remote controller and E2 as per both items user manual instructions.
2. After paring successfully, you can press the remote controller to control the E2 intercom and calls handling function.
3. The Center button is mainly used as PTT button, and only the PTT function of PTT (Primary PTT button) can be remote controlled.
4. Short press the center button to answer the phone call, double press the center button to reject or hang up phone calls.

FAQ

Can not power on
It might low battery, please try again after charging for 3 hours, then reset the PTT headset and try again.
No sound
Please check if the speaker mic have connected to the device or the volume is too low?
Disconnect with a mobile phone, Bt Adapter/dongle, or GPS
Make sure if it is low battery, if not, the distance between the headset and mobile phone is within 10m? Or between them exist obstacles that absorb frequency signals like metals or water?
Can not pair with mobile phone
Clear all the pairing information according to the user manual, and then put the PTT headset and mobile phone together within 1m and try to pair again.
Fail to connect with mobile phone
Please make sure the mobile phone support Bluetooth function and Bluetooth HFP related protocols.
Fail to re-connect or automatically re-connect with mobile phone
First make sure your Bluetooth function in your mobile phone has been turned on, then remove all the matching information according to the Bluetooth headset manual as well as that of your phone. Then turn off your mobile phone, wait for several seconds, restart the mobile phone and pair with Bluetooth PTT headset and set the headset read as “default/trust/test/ permit automatically connection/always visible/allow to be found” device, and further ensure that the phone prompt tone is not vibrating mode (because the vibrating impulse wave would interfere with Bluetooth frequency signal sometimes), then repair and connect with your mobile phone. For the android system, please make sure in the Bluetooth PTT headset device options list, you have both “Phone” and “Media” options selected.
System halted
The system halts when strong radio frequency interference occurs. Like when nearby high power TV transmitting tower, GSM base or airport radar, the PTT headset may die. It can be reset by charging the headset by USB port.
Abnormal instruction of Charging indicator

1. When the PTT headset hasn’t been used for a long time or overused, it needs to be pre-charged for an hour, then pull out and in the charger, it will indicate normal charging. Please don’t count the pre-charging time into normal charging time.
2. Try another charging line or charger.

Whether or not Support using while charging
Use while charging is not recommended
Compatibility with other chargers
Cigarette charger of the car or motorcycle, emergency battery pack, or another type charger might be used for charging as long as their actual output voltage is between 5V to 6V and have the same plug style and power source positive and negative polarities with our initial charger. However, the user will be responsible for the risk of using other chargers and we don’t guarantee the effects and are responsible for the risk.
The wrong operation into factory test or USB upgrade mode
The BT PTT headsets light indicator flashes abnormally and can’t power on after the wrong operation into factory test or USB upgrade mode. The user must use the USB cable to charge to reset the device. Please send back your BT PTT headset to our after-sales service department for help if the above 1 to 12 suggestions fail to solve your problem.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception,  which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. this device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

References

• DellKing Home

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