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Troubleshooting Tips

If you suspect a failure, try the actions recommended in the table below first. If the problem
persists or the symptom you are experiencing is not listed here, call your dealer and request
service.

Troubleshooting Tips

Symptom

Point to check

Action

Shut down completely

• Is the Bluetooth

®

 cradle 

cord out of position?

• Is the battery correctly 

loaded?

• Is the battery charged?

• Is the handset too far away 

from the Bluetooth

®

 

terminal? (Does the 
antenna mark in the 
Bluetooth

®

 handset LCD 

screen show “Low 
Strength” or is it off?)

• Inset the Bluetooth

®

 

terminal cord firmly into 
position.

• Reload the battery 

correctly.

• The battery may have been 

exhausted. If the handset 
still fails when the battery 
is fully charged, replace 
the battery.

• Get closer to the 

Bluetooth

®

 terminal to 

operate.

Ring tone does not 
sound

• Is the ring tone volume 

turned OFF? (Does the 
ring tone OFF appear in 
the Bluetooth

®

 handset 

LCD screen?)

• Is the battery correctly 

loaded?

• Adjust the ring tone 

volume.

• Reload the battery 

correctly.

Voice is disrupted while
talking

• Does the antenna mark in 

the handset LCD screen 
show “Low Strength” or is 
it off?

• Is there an obstacle, such 

as a concrete wall, between 
the Bluetooth

®

 terminal 

and Bluetooth

®

 handset?

• Get closer to the 

Bluetooth

®

 terminal to 

operate.

• Move to a location clear of 

intervening obstacles.

Summary of Contents for BCH-L series

Page 1: ...ser s Guide DTL 12BT 1 TEL BCH L UNIT Please cooperate with recycling of a lithium ion battery Before using your product read this User s Guide thoroughly to ensure correct handling After reading the User s Guide keep it in a place that is accessible for read reference NEC Infrontia Corporation ...

Page 2: ... this document for use by its employees and customers The information contained herein is the property of NEC Infrontia Corporation and shall not be reproduced without prior written approval from NEC Infrontia Corporation All brand names and product names on this document are trademarks or registered trademarks of their respective companies Copyright 2008 NEC Infrontia Corporation ...

Page 3: ...tally placed into the unit turn off the power of the phone system and unplug the power adapter Contact your dealer If you keep using the unit it may cause fire or electrical shock Pay special attention to children to prevent from similar accidents Do not attempt to disassemble or modify the units It may cause fire electrical shock or system malfunction Modification by a user is prohibited by law D...

Page 4: ...ple plugs on a single outlet It may cause fire or electrical shock Follow the instruction below when you use a battery pack to avoid overheating explosion and fire Do not put the battery pack into a microwave oven or a pressure chamber Do not use other batteries with this battery pack If the internal battery liquid touches your skin or clothes immediately rinse it with clean water to prevent chemi...

Page 5: ...vent the battery pack from overheating explosion and fire Do not throw the battery pack into a fire Do not solder the battery pack directly Do not short the positive and negative terminal of the battery pack with metal Do not poke the battery or smash it with a hammer Do not disassemble or modify the battery pack It has a safety circuit and a damaged circuit may cause overheating explosion and a f...

Page 6: ...connected Consult the dealer or an experienced radio TV technician for help 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 Caution Any changes or modifications not expressly approv...

Page 7: ...rference that may cause undesired operation of this device L utilisation de ce dispositif est autorisée seulement aux conditions suivantes il ne doit pas produire de brouillage et I utilisateur du dispositif doit étre prêt a accepter tout brouillage radioélectrique reçu même si ce brouillage est susceptible de compromettre le fonctionnement du dispositif Exposure to radio frequency radiation The i...

Page 8: ...nts Where it concerns radio equipment such information shall be sufficient to identify on the packaging and the instructions for use of the apparatus the Member States or the geographical area within a Member State where the equipment is intended to be used and shall alert the user by the marking on the apparatus referred to in Annex VII paragraph 5 to potential restrictions or requirements for au...

Page 9: ... essenzjali u ma provvedimenti oħrajn relevanti li hemm fid Dirrettiva 1999 5 EC Magyar Hungarian Alulírott NEC Infrontia nyilatkozom hogy a Bluetooth Handset BTH and Bluetooth Cradle BTC megfelel a vonatkozó alapvetõ követelményeknek és az 1999 5 EC irányelv egyéb elõírásainak Polski Polish Niniejszym NEC Infrontia deklaruję że Bluetooth Handset BTH and Bluetooth Cradle BTC spełnia wymagania zasa...

Page 10: ...etooth Terminal A multifunctional terminal unit to which a Bluetooth Cradle BTC is connected Bluetooth Handset BTH Instructions in this User s Guide focus on Bluetooth handset operations For instructions about handling the Bluetooth terminal refer to the manual that comes with your system How This Guide Is Organized Before Using the Product Provides tips and hints on using the product safely and p...

Page 11: ...th Terminal and Bluetooth Handset 1 2 Key Functions 1 2 Talking Range 1 4 Charging 1 5 Replacing the Battery 1 6 In the Event of a Power Failure 1 7 Wall Mounting Kit for the Bluetooth Terminal 1 7 Primary Specifications 1 8 Safety Precautions 1 10 Operating Instructions and Maintenance 1 14 Locating the Bluetooth Terminal 1 14 Antenna 1 15 Radio Transmission 1 15 Radio Interference 1 16 Maintenan...

Page 12: ...ing the Bluetooth Handset 1 24 Transforming the Standard Handset into a BCH L UNIT 1 29 Configuring the Cordless Terminal 1 25 Configuring the Bluetooth Terminal 1 25 Configuring the Bluetooth Handset 1 27 Connecting a Headset 1 30 Pairing with a Bluetooth Headset 1 30 Connecting a Corded Headset 1 32 Using the Belt clip 1 33 Bluetooth Handset Operations 2 1 Caution 2 2 Bluetooth Handset Functions...

Page 13: ... 1 10 Operating Instructions and Maintenance 1 14 Component Names and Functions 1 18 Bluetooth Handset LCD Screen 1 20 Adjusting the Bluetooth Handset 1 24 Configuring the Cordless Terminal 1 25 Transforming the Standard Handset into a BCH L UNIT 1 29 Connecting a Headset 1 38 ...

Page 14: ...the pairing between the Bluetooth cradle and Bluetooth handset The table below summarizes the key functions of a cordless terminal For information about the functions of the multifunctional terminal itself refer to the manual that comes with your system About Cordless Terminals Bluetooth Terminal and Bluetooth Handset Key Functions The ways you originate calls from the Bluetooth headset and answer...

Page 15: ... those designating the status of radio and the remaining battery voltage appear on the first line LCD displays may not be produced depending on your system Line keys Allows the functions pre programmed on line keys 1 to 8 in the Bluetooth terminal to be used For the functions that are available with the Bluetooth handset refer to the manual that comes with your system Incoming call charging lamp L...

Page 16: ...d Transfer Places calls on hold and forward them to another terminal Histories of originatingand terminating calls Displays up to 10 originating and up to 10 terminating calls up to 20 calls in total including the latest calls This function may be unavailable or the number of calls that can be displayed may vary depending on your system Talking Range You may have difficulty originating a call by d...

Page 17: ... battery voltage icon appearing in the LCD screen coupled by the incoming call charging lamp and an alarm tone alerts you to the remaining battery voltage of the Bluetooth handset The table below describes how these indications appear depending on the remaining battery voltage of the handset Charging Remaining battery voltage State indications Remarks Icon Incoming call charging lamp Alarm Tone Hi...

Page 18: ...and firing Take proper precautions when discarding the battery It may be considered hazardous material in some areas There is a danger of explosion if the battery is incorrectly replaced Replace only with the same or equivalent type recommended by NEC Return old batteries to the battery supplier a licensed battery dealer or a designated collection facility Bring batteries to our repair counter wit...

Page 19: ...rdless terminal is disabled if the system battery is exhausted Calls in progress will be cleared if the system battery is exhausted in the meantime If an optional AC adapter is used the cordless terminal cannot be charged while the power failure persists You can use this product on a wall by attaching the optional kit to wall mount the Bluetooth terminal Contact your dealer about getting the kit I...

Page 20: ... use a recommended headset to ensure that it connects to the cradle successfully and with the correctly matched sound volume Operating range About 50m line of sight distance Dependent on the environment Power consumption Bluetooth Handset BTH About 0 5W Bluetooth Cradle BTC About 1 5W Including the power used to charge the handset Power feeding method Power feeding from the multifunctional termina...

Page 21: ...umidity 10 to 90 No dew condensing Restrictions Keep the cordless terminal at least 1m apart from other cordless terminals and at least 3m apart from other radio equipment Cordless terminals operate on a digital radio principle and are made less susceptible to interception by third parties Radio waves used by the cordless terminals however threaten the chances of intentional interception To dismis...

Page 22: ...d WARNING Indicates a situation in which a possibility of human death or severe physical injury is anticipated CAUTION Indicates a situation in which a possibility of physical injury or property damage is anticipated NOTICE Indicates a situation that could result in a failure of intended performance of this system or in a functional shutdown The symbol alerts you to a caution including a danger or...

Page 23: ...ld come into contact with the eyes it could cause damage to the eyes Flush the eyes with plenty of fresh water immediately without rubbing them and obtain medical attention promptly WARNING Do not remove the casing of the lithium ion battery pack or scratch it This could cause the pack to leak heat or explode If the internal fluid in the lithium ion battery pack should contact the skin or clothes ...

Page 24: ... openings This could result in fires electrical shock hazards or failures If it is necessary to use an AC adapter use one of the specified types Otherwise fires electrical shock hazards or failures could result CAUTION Do not violently shake to the lithium ion battery pack or throw it Keep the lithium ion battery pack out of reach of infants and children Do not leave the lithium ion battery pack i...

Page 25: ...are wet If foreign matter or water should penetrate the inside of the terminal disconnect the line cord and AC adapter immediately and contact your dealer NOTICE To use the unit safely and properly avoid installing it in these places Places where there is excessive dust or vibration Places that are filled with vaporized chemicals or the unit may be exposed to chemicals Places close to radios or TV...

Page 26: ...etooth terminal at least 3m apart from any of the devices listed below Be also careful not to get within 3m of these devices when using the Bluetooth handset Before locating the cradle ask your dealer for a safety validation Microwave ovens Wireless LAN access points AP Medical apparatus RFID apparatus operating in the 2 4 GHz band Manufacturing equipment such as plasma strippers LSI manufacturing...

Page 27: ...g station or near sources of intense radio transmission such as ham radio and CB radio Because radio equipment might be disabled in the presence of radio interference ask your dealer for preliminary environmental measurement In installing new radio equipment after the system has been installed as well request a preliminary verification of freedom from radio interference If interference is detected...

Page 28: ...ce is shared by industrial scientific and medical equipment such as microwave ovens premises radio stations that are typically used in manufacturing lines at plants for mobile identification radio stations that require licensing and specified low power radio stations license free radio stations Before using this device check that premises radio stations for mobile identification and specified low ...

Page 29: ...hey may take about 15 seconds after the line cord is installed into the Bluetooth cradle before calls can be made between the Bluetooth cradle and Bluetooth handset If the Bluetooth handset goes off hook or the Conference or Talk key is pressed in the meantime the error tone pi pi pi pi may sound without a wireless line connection being established Charging Terminals In cleaning the charging termi...

Page 30: ...ordless terminal are shown below Component Names and Functions Bluetooth Terminal Speaker Transfer 1 2 ABC 3 DEF 5 JKL 4 GHI 6 MNO 8 TUV 7 PQRS 9 WXYZ 0 Recall GPW Answer Hold Feature Mic Exit Help 4GFKCN Large lamp Indicates the status of a terminating call Antenna Charging terminals ...

Page 31: ...s a clock remote party information originating and terminating call histories and menus Line keys 1 to 8 with lamp Access the functions pre programmed on function buttons 1 to 8 on the cradle Also display the status of the functions pre programmed on the buttons Hold key Use to place extension or central office line calls on hold Recall key Use to forward calls on a private exchange PBX or receive...

Page 32: ...ple for when your system is Aspire X Note that display content may be different or lost if another system is used Standby Sample Display The information shown below is displayed when the terminal is not used For explanations of the icons see Explanations of Icons P 1 22 Bluetooth Handset LCD Screen Displayed Information First line Icon Second line Date and time Third line Extension number and line...

Page 33: ...ote party s name or telephone number P 2 3 If the Setup Screen Is Displayed If the Setup Screen is displayed the title of a setup item and its setting are displayed For more details see Configuring the Bluetooth Handset P 1 27 Originating call history Terminating call history The display may differ depending on your system Volume Density control Item selection 4 Caution 4KPI 8QNWOG 4KPI 8QNWOG ĀĀĀ...

Page 34: ... no service no display occurs while no service tone is sounding during a call the call is dropped No service no display indicates that the terminal is out of reach of radio transmission You can neither make nor receive calls Low No ser vice Ring tone OFF Displayed when the terminal is configured to suppress the ring tone For more details see Ring Volume in Configuring the Bluetooth Handset P 1 27 ...

Page 35: ...1 23 Bluetooth Handset LCD Screen Line key status display Indicates the numbers of active line keys Some icons may not be displayed depending on your system Icon Explanation Ĵ Ļ À Caution ...

Page 36: ...e of the ring tone of the Bluetooth handset Press the up and down cursor keys up high down low while the ring tone sounds If you want to adjust the ring tone volume while the ring tone does not sound do as instructed in Ring Volume in Configuring the Bluetooth Handset P 1 27 The ring tone OFF icon appears in the LCD screen if the ring tone volume is turned off Adjusting the LCD Density You can adj...

Page 37: ...etooth devices are located around the Bluetooth terminal among which select a headset you want to pair with the multifunctional terminal For more details see Pairing with a Bluetooth Headset P 1 36 PIN Code 4 to 16 digits 0000 Before pairing you need to set the PIN Code of the Bluetooth terminal and the Bluetooth headset When pairing with a Bluetooth headset that has a PIN Code other than 0000 ent...

Page 38: ...le version Device Address Device Name Key Description Cursor keys Up Moves up the highlighted item Down Moves down the highlighted item Left Returns to the last page Right Accepts the highlighted item and displays the next page Enter Accepts the highlighted item and displays the next page Saves the change and returns to the last page Dial keys Accept the item of a number pressed and display the ne...

Page 39: ...olume Off 0 1 to 8 to 13 Adjusts the ring tone volume The ring tone OFF icon appears on the LCD screen if the ring tone volume is turned off 4 No Service Tone Disable Enable Set to sound a no service tone when no service occurs 5 Low Power Mode Disable Enable Set to ether low power mode automatically when no calls or key operations have been launched for a long time 6 Font Size Double Height Norma...

Page 40: ...Moves up the highlighted item Raises the volume or density Down Moves down the highlighted item Lowers the volume or density Left Cancels an operation and returns to the standby panel Enter Accepts the highlighted item and returns to the standby panel END key Cancels an operation and returns to the standby panel ...

Page 41: ...e terminal 2 Remove the standard handset Release the curl cord from the groove and out its modular plug from the HANDSET connecter on the back of the telephone 3 Lower the tilt legs to the first level Transforming the Standard Handset into a BCH L UNIT Telephone type Description Remarks Digital multifunctional terminal DTL 12 24 32D 1 DTL 32DLK 1 DTL 8LD 1 Not connectable to the DTL 2E 1 and DTL 6...

Page 42: ...d Handset into a BCH L UNIT 4 Release lugs a and b on the stopper from grooves A and B in the tilt legs and widen the tilt legs 5 Slide the tilt legs to front out of position while pushing claws c and d a A B b Tilt leg Stopper d c ...

Page 43: ...able from the terminal unit connecter 9 Insert the cradle connecting cable of the Bluetooth cradle into the terminal unit connecter 10 Insert the lug on the terminal unit into the hole in the Bluetooth cradle Have the cradle connecting cable passed in the groove to keep it from being pinched Multifunctional terminal unit Standard handset cradle Unit connecter Cradle connecting cable Stopper Detach...

Page 44: ...cradle until the stopper clicks into position 13 Fit the cradle connecting cable in the groove to clamp Bluetooth cradle R Multifunctional terminal unit Unit connecter Cradle connecting cable Stopper Attach the removed side panel to the standard handset cradle Bluetooth cradle R Cradle connecting cable Groove ...

Page 45: ...unctional terminal 15 Insert the claws at the lower part of the bottom unit connected to the Bluetooth cradle and then attach the bottom unit to the terminal connecter while pushing the upper claw Secure the bottom unit to the telephone unit Multifunctional terminal Connecter cover Multifunctional terminal Bottom unit Lower Claws Upper Claws ...

Page 46: ...ndset option with nippers The coupled device is supplied with the handset cradle 19 Insert the stopper coupled device into the right and left stoppers of the tilt legs for handset option to couple them 20 Insert the coupled device for tilt legs firmly into the right and left tilt legs of the tilt legs for handset option 21 The tilt legs in original position Cover Knob Bottom unit connecting cable ...

Page 47: ...t into a BCH L UNIT 22 Place the Bluetooth handset in the Bluetooth cradle 23 Erect the antenna of the Bluetooth cradle The transformation of the standard handset into a BCH L UNIT is complete Antenna Bluetooth handset R Bluetooth cradle R ...

Page 48: ...etooth device setup screen in the Bluetooth terminal LCD screen For instructions on how to open the setup screen see Configuring the Bluetooth Terminal P 1 25 If the Bluetooth headset has a PIN code of 0000 go to Step 3 else go to Step 2 2 On the Bluetooth screen select 1 Pairing Mode 2 PIN Code in this order Enter a PIN Code 4 to 16 digits to suit the Bluetooth device and press the OK key Connect...

Page 49: ...on or standby mode with the Bluetooth device in use Then connect the Bluetooth headset to the Bluetooth terminal and use it Do not connect the Bluetooth headset that is paired with the Bluetooth terminal to other Bluetooth devices Doing so may disable operations for originating and terminating calls To unpair a paired Bluetooth headset Select 1 Delete in the Bluetooth Headset screen in Step 4 abov...

Page 50: ...atest information on recommended the corded headset please consult with your system provider for a list of compatible headsets Insert the headset plug firmly into the headset jack bearing the mark in the cover on the right side of the Bluetooth handset Connecting a Corded Headset Bluetooth Handset Headset jack Plug of corded headset R ...

Page 51: ...es on each side of the Bluetooth handset and press it down until it clicks 2 A state of use Using the belt clip allows you to wait and receive incoming calls Wearing the corded headset allows you to talk without holding the Bluetooth handset Using the Belt clip Make sure that all the claws are firmly inserted The talking range is about 50 m Caution Caution ...

Page 52: ...1 40 Connecting a Headset ...

Page 53: ...2 1 Bluetooth Handset Operations Caution 2 2 Bluetooth Handset Functions 2 3 ...

Page 54: ... on the Bluetooth handset may light green while it stands by off hook after a dialing operation performed from the Bluetooth terminal Press the Bluetooth handset key to switch the call to the Bluetooth handset When making a phone call from the Bluetooth handset after pressing the Talk or Conference key make sure you hear a dial tone before pressing dial keys Dial keys pressed before a dial tone is...

Page 55: ...able 1 Press the Transfer key for 2 seconds 2 The key lock icon disappears from the LCD screen Bluetooth Handset Functions Key Lock If a call terminates while the key lock is enabled Press the Talk key blinking line key or Conference key to answer the terminating call While the call is in progress the key lock is temporarily overridden to make all keys functional Hang up to return to the key lock ...

Page 56: ...2 4 Bluetooth Handset Functions ...

Page 57: ...3 1 Troubleshooting Troubleshooting Tips 3 2 ...

Page 58: ...th terminal cord firmly into position Reload the battery correctly The battery may have been exhausted If the handset still fails when the battery is fully charged replace the battery Get closer to the Bluetooth terminal to operate Ring tone does not sound Is the ring tone volume turned OFF Does the ring tone OFF appear in the Bluetooth handset LCD screen Is the battery correctly loaded Adjust the...

Page 59: ...ndset was first used Replace the battery Remote party s voice hard to hear Is the Bluetooth handset receiver volume set low Press the up cursor key while talking to adjust the receiver volume It sometimes when the Talk or Conference key are pressed their respective lamps blink but do not stay continuously lit and the call is not established with an error tone pi pi pi pi sounding from the Bluetoot...

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