Ericsson TH688 User Manual
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Ericsson TH688 User Manual

Mobile phone for gsm dect
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Ericsson TH688
Mobile Phone for GSM DECT
User's Guide
Second edition (November 1998)
This manual is published by Ericsson Mobile Communications AB, without any warranty.
Improvements and changes to this manual due to typographical errors, inaccuracies of current
information, or improvements to programs and/or equipment, may be made by Ericsson Mobile
Communications AB at any time and without notice. Such changes will, however, be incorporated into
new editions of this manual.
All rights reserved.
© Ericsson Mobile Communications AB, 1998.
Publication number: EN/LZT 126 1452 R2A
Printed in Sweden
INNOVATRON PATENTS

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  • Page 1 Improvements and changes to this manual due to typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made by Ericsson Mobile Communications AB at any time and without notice. Such changes will, however, be incorporated into new editions of this manual.
  • Page 2 Congratulations... and thank you for buying the TH688, a product specially suited for heavy users of mobile phones on the move. The TH688 combines the symbol on Ericsson’s products signifies that they have been benefits of a mobile phone with those of a cordless phone, giving you a certified according to the EMC directive 89/336/EEC, the flexibility and a convenience of being reached everywhere.

  • Page 3: Table Of Contents

    Table of Contents Congratulations....ii Connecting Your TH 688 How to Send Tone Signals ..9 to a Home Base Station ..4 CE .
  • Page 4 Who Is Calling? ... 29 The Call Time ... . 40 How to Select Answering Mode ..17 How to Change the Greeting Text .

  • Page 5: Guidelines For Safe And Efficient Use

    If so, use only an Exposure to Radio Frequency Energy Ericsson approved antenna. Otherwise, take your phone to a qualified service center for repair. Use only the designated Ericsson antenna. The International Commission on Non-Ionizing Radiation Protection...

  • Page 6: Electronic Devices

    Do not use any other accessories but Ericsson originals. Failure to do To reduce risk of damage to electric cord, remove from outlet by so may result in loss of performance, fire, electric shock or injury, holding onto AC adapter rather than cord.

  • Page 7: The Dual Mode (Gsm/Dect) Phone

    The Dual Mode (GSM/DECT) Phone The TH 688 is a dual mode phone. This means that you can use it both as a GSM mobile phone and as a cordless phone in a DECT network. The phone only searches for and connects to a GSM network. No DECT Provided you have made the required settings, it will use the DECT calls can be made.

  • Page 9: The Phone

    The Phone Antenna Indicator Beeper light External antenna connector Volume keys piece Battery Display GSM/DECT Battery meter Signal strength meter SIM card holder Microphone Keypad Handsfree connector Charging connector Microphone EN/LZT 126 1452 R2A...

  • Page 10: Preparing Your Phone For Use

    Preparing Your Phone for Use The SIM Card Lock the card holder by sliding it towards you. When you become a subscriber of a GSM network you obtain a SIM (Subscriber Identity Module) card. Your SIM card is supplied with a security code or PIN (Personal Identity Number) which you need in order to gain access to the phone The Battery and GSM network.

  • Page 11: The Low Battery Alarm

    How to Charge the Battery Connect the charger to the phone as illustrated in the figure. You need to press hard to fit the plug into the phone. The flash symbol on the charger must face upwards. Connect the charger to the mains. The phone will now start charging the battery.

  • Page 12: Turning On The Phone

    Turning On the Phone When No Network is Displayed Press and hold down the NO key until you hear a click. If you have inserted a SIM card in your phone, the display will prompt you to If the message No network is displayed, there is no network within enter your PIN code.

  • Page 13: The Keypad And Display

    The Keypad and Display Key Functions Indicators in the Display The keys have other functions when you have accessed the phone’s menu system. See The Phone’s Menus, p.10. Signal strength meter The received signal strength displayed as bars. The more bars, the stronger signal.

  • Page 14: Preparing Your Phone For Dect Networks

    Preparing Your Phone for DECT Networks In order to benefit in the best way possible from the dual mode Scroll to your DECT network and press YES. functions, make sure the following items have been programmed into Scroll to Ext. line and press YES. your phone.

  • Page 15: Making And Receiving Calls In Gsm Mode

    Making and Receiving Calls in GSM mode The instructions in this chapter assume that you have turned on your If you press YES the number will automatically be re-dialled until the phone and switched it to GSM mode, and that you are within range of a call is answered but no more than 10 times.

  • Page 16: Making And Receiving Calls In Dect Mode

    Making and Receiving Calls in DECT mode How to Make an Emergency Call The instructions in this chapter assume that you have turned on your phone and switched it to DECT mode, and that you are within range of a Enter the external line code DECT network.

  • Page 17: During A Call

    During a Call How to Change the Volume You can use the volume keys to increase or decrease the ear piece volume. How to Mute the Microphone Press and hold down the CLR key. Mute is shown in the display. To resume conversation, release the CLR key.

  • Page 18: The Phone's Menus

    The Phone’s Menus This chapter describes how to navigate the menu system. GSM/DECT (GSM mode) Standby display Phone book Mail Keylock Clock Settings Access Networks Divert Info Hook off (GSM only) (DECT only) Voice mail Set alarm Ring level Barring System All calls Last Call...

  • Page 19: The Menus

    The Menus arrows.Text in brackets indicates the current setting for the displayed function. The menus are arranged in a continuous loop. The right and left arrows How to Enter Letters allow you to access the menu system and then scroll from menu to menu.

  • Page 20: Special Functions Menus

    How to Check the First Characters If you enter more than 20 characters (0 – 9 and , + or p) into the display, the first characters will disappear from the display. Instead, a left arrow is shown to the left in the second line, in front of the characters.

  • Page 21: The Phone Book

    The Phone Book This chapter describes how you can create a personal phone book by twice. You should, therefore, save positions 1 – 9 for important storing phone numbers and accompanying names on the SIM card (card numbers. memory) and in the phone (flash memory). The menu also PHONE BOOK How to Store a Phone Number –...

  • Page 22: How To Recall A Phone Number

    Overwrite Protection Using the Position Clear the display by pressing CLR. This message appears if you try to store a phone number in a position which already contains a phone number. Press the left arrow followed by YES to select the PHONE BOOK menu.

  • Page 23: How To Erase A Phone Number From The Card Memory

    How to Erase a Phone Number from the Card The Dialled Numbers Memory Memory If your SIM card supports this function and allocates 5 or more positions for last dialled numbers, the last numbers called are stored on the SIM. Select Erase from the menu.

  • Page 24: Personalizing Your Phone

    Note! You can have independent volume settings when you use the How to Change the Ring Volume phone as a handheld unit and when you use it with any Ericsson handsfree equipment. Note! You can set different ring levels for GSM and DECT calls.

  • Page 25: How To Select Key Lock

    How to Change the Greeting Text unit and another setting when the phone is used together with any Ericsson handsfree equipment. Note! If the greeting text can be retrieved from your SIM card, you will How to Set the Minute Minder not be able to change it.

  • Page 26: How To Display Your Gsm Phone Number

    Select Master reset from the menu. The Greeting function also lets you turn the greeting text off. SETTINGS To reset the phone, enter the same security code that How to Display Your GSM Phone Number is used to turn the phone lock on or off. See Protecting Your SIM Card and Phone, p.

  • Page 27: Protecting Your Sim Card And Phone

    Protecting Your SIM Card and Phone The Card Lock Select Unlock card from the menu. ACCESS Press YES. Your SIM card is protected by a card lock which is unlocked with a PIN code. The PIN code is obtained when you purchase your SIM card. Enter your PIN code and press YES.

  • Page 28: Call Barring (Gsm Only)

    Select Activate, Get status or Cancel. Press YES. the security code until the original SIM card or a different SIM card is inserted. Enter your password and press YES. How to Change the Security Code There may be a short delay before the network responds. In the meantime the message Please wait is displayed.

  • Page 29: En/Lzt 126 1452 R2A

    The keypad will remain locked until you: Answer an incoming call. Replace the battery. Unlock the keypad. How to Lock the Keypad Select Keylock from the menu. SETTINGS Select Automatic or Manual keylock. The automatic keylock locks the keypad 25 seconds after the last key has been pressed.

  • Page 30: Setting The Time, Date And Alarm

    Setting the Time, Date and Alarm The Date menu lets you set the time and date. It also lets you activate CLOCK the alarm function. It is possible to display the current date in the middle of the display when the phone is in standby mode. The Clock How to Set the Date Format The time is shown continuously at the bottom of the display when the...

  • Page 31: En/Lzt 126 1452 R2A

    How to Turn the Alarm Off Press any key to turn the alarm off when it sounds. Press YES if you do not want the alarm to be repeated. How to Turn the Alarm Function Off Select Set alarm from the menu.

  • Page 32: Diverting Incoming Calls

    Diverting Incoming Calls If you want to make certain that your incoming calls are taken care of If you have used the divert option on an earlier occasion and then when you are unable to answer them, you can use the Call Divert service cancelled it, the phone number to which the calls were diverted will of the cellular network to divert them to another phone number.

  • Page 33: Other Networks

    Other Networks When you turn on the phone, it normally selects its home network. If the If you are using another network, the name of the home network is home network is not within range, for example when you are abroad, displayed with the message Home.

  • Page 34: List Of Networks

    The name of the first network is displayed. If a network is within range a * is also displayed. Erase (also available for Ericsson A/B protocols) Rename (also available for Ericsson A/B protocols) Note! To see a network’s full name, press *.

  • Page 35: En/Lzt 126 1452 R2A

    From the menu, select Edit list and press YES. NETWORKS NET1 (the name of your first DECT network) appears. Press YES. Move appears in the bottom row of the display. Scroll to Erase using the right arrow key. Press YES. Confirm by pressing YES a second time. Your network is removed.

  • Page 36: Dtmf Tones

    DTMF Tones You can use your phone to send DTMF (Dual Tone Multi Frequency) When the call has been connected, the code, following the first pause tones. This feature can be used for a variety of purposes, such as character, will be sent automatically. To send the next code, press banking by phone or controlling an answering machine.

  • Page 37: Who Is Calling

    Who Is Calling? The Calling Line Identification (CLI) service allows you to see the At the prompt Erase all?, press YES. caller’s phone number in the display, giving you a chance to identify the Unanswered Calls caller. This service may not be available on all networks and may require a separate subscription.

  • Page 38: Showing Your Phone Number (Gsm Only)

    Press YES to make the call. A special code is inserted in front of the phone number. Showing Your Phone Number (GSM Only) If you subscribe to withhold your phone number when making calls, you can use the Send Id function in the menu to send SPECIAL FUNCTIONS your phone number on a particular call.

  • Page 39: Handling More Than One Call (Gsm Only)

    Handling More than One Call (GSM only) Receiving a Second Call The phone allows you to handle more than one call simultaneously. This means that you may hold a call in progress and make or answer a second You will hear a tone in the ear piece and the message Call wait appears call and then switch between the two calls.

  • Page 40: Receiving A Third Call

    Receiving a Third Call Provided your Call Waiting function is activated, you may receive a third call when you are engaged in one call and have a second call on hold. You will hear a tone in the ear piece and the message Call Wait appears in the display.

  • Page 41: Conference Calls (Gsm Only)

    Conference Calls (GSM only) The Conference Call service allows you to have a joint conversation with up to five people. You may put an individual or a group of conference members on hold while you add other people to the conference call.

  • Page 42: The Answering Service (Gsm Only)

    The Answering Service (GSM only) The answering service of your network lets your callers leave a voice Scroll to New number and press YES. message when you cannot or do not wish to answer all calls. This Enter the new number and press YES. service may not be available on all networks and may require a separate How to Turn off the Voice Mail subscription.

  • Page 43: Sending And Receiving Text Messages (Gsm Only)

    Sending and Receiving Text Messages (GSM only) The Short Message Service (SMS) allows you to send and receive text Select Send messages from the menu. MAIL messages. A message may contain up to 160 characters. Press YES to select Options. Text messages can be received when the phone is in standby mode, Enter the number of the service centre and press YES.

  • Page 44: En/Lzt 126 1452 R2A

    How to Erase a Message 'Sent’ stands for a sent message. Press NO if you do not want to reply to a message. 'To Send’ stands for a composed, but not sent message. Press YES. The message Erase? appears. Read the message as described in How to Read a Message, p. 35. Press YES to erase the message from the Messages memory.

  • Page 45: En/Lzt 126 1452 R2A

    Scroll to the desired repeat length and press YES. How to Change a Message Type The phone is prepared for sending other types of messages. Your Service Centre of your network may offer the facility to convert a text message into a format (fax, telex, voice, etc.) that suits the receiver of the message.

  • Page 46: Area Information (Gsm Only)

    Area Information (GSM only) Area Information Message Types The ordinary Short Message Service can be defined as a personal service with messages specifically and exclusively directed to you. The Each type of AI message is identified by a three digit code. At present Area Information (AI) is another type of text message which is sent to the following message types exists: all subscribers in a certain cell of a network at the same time.

  • Page 47: En/Lzt 126 1452 R2A

    Select Area info from the menu. MAIL Press YES. Scroll to Edit list and press YES. The digits to the left indicate the position in the list. You can scroll forward and backward through the list with the right and left arrows. To insert a code, scroll to the first empty location by using the right arrow.

  • Page 48: The Call Time

    The Call Time During an outgoing call, the call time is shown in the display. With the Call info function in the menu you can have the SETTINGS time displayed for all calls, both incoming and outgoing. How to Check Time of Last Call You can check the time of the last incoming (or outgoing) call with the Last call option in the menu.

  • Page 49: Fixed Dialling (Gsm Only)

    Fixed Dialling (GSM only) Note! This function is SIM card dependent. Enter the PIN2 code and press YES. Enter the name (optional) and the fixed number in the same way as The Fixed Dialling function allows calls to be made only to fixed when storing an ordinary phone number.

  • Page 50: Data Menus (Gsm Only)

    Data Menus (GSM Only) The phone can be used with the Ericsson Mobile Office kit. This links the phone to a desktop or laptop PC, allowing you to use data communication and fax services from the PC. The Data menus function in the...

  • Page 51: Composing Your Own Ring Signal

    Composing Your Own Ring Signal The Phone’s Note System Your phone has the capability of handling a range of tones spreading Press this: over two octaves. See the table below to understand the relationship Insert notes. To get a short note press the key for a between the notes and the numeric keys on the telephone.

  • Page 52: Problems You Can Solve

    Problems You Can Solve This chapter lists some simple things you should check before calling Enter a new PIN code and press YES. for service personnel. This could save you the cost of unnecessary You can of course also enter the PIN code you used previously. service.

  • Page 53: Warranty

    If your Ericsson product requires warranty service you should return the Periodic checks, maintenance, repair and replacement of parts due to product to the dealer/retailer from whom it was purchased. If your Ericsson normal wear and tear, exchange of faulty batteries or upgrading of product requires warranty service when you are abroad, the service is software due to changes in network parameters.

  • Page 54: Index

    Index Call Receiving a third Emergency call (DECT) Card lock Alarm Emergency call (GSM) Card memory How to set How to end 7, 8 Charger How to turn off How to receive How to connect Answered calls How to reject How to disconnect How to erase Internal call (DECT)

  • Page 55: En/Lzt 126 1452 R2A

    How to erase phone numbers 15 How to enter Display Menus Greeting text Display language How to navigate How to change How to use as scratch pad The menu system Indicators Message Time How to read Display language How to repeat Home Base Station How to change How to reply...

  • Page 56: En/Lzt 126 1452 R2A

    How to change Network search Stored numbers How to enter How to start automatic How to edit Wrong Networks PIN2 code List of How to change Other Text messaging Wrong Note system How to set the phone Pre-programmed DTMF signalling Time format How to send code How to change...

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