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Nokia 638, User Manual

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Nokia 638 User Manual Download Page 15

Keyguard

The phone’s keypad may be locked to prevent 
unintended key presses from being made when
the phone is in a pocket or a bag. 

No security code is required to activate or deactivate
the keyguard feature. 

To activate the keyguard:

➀

Press 

 and then 

. You can also

activate the keyguard by pressing and holding

 (e.g., when ending a call). 

The message 

KEYGUARD ACTIVE remains on

the display until the keyguard is deactivated. 

When you press a key, the phone prompts you to
press the 

 key. 

To deactivate the keyguard:

➀

Press 

 (at 

PRESS MENU prompt) and

 (at 

NOW PRESS 

✱

 

prompt

).

The message 

KEYGUARD OFF is briefly displayed

indicating that the keyguard has now been deacti-
vated.

When the keyguard is activated:

•

To answer a call, press 

. During the call, the

keypad remains unlocked and the phone can be
operated in the normal way.

•

To end a call, press 

. After the call is ended,

the keyguard automatically becomes active
again. 

•

The phone can not be switched off before the
keyguard is deactivated.

Note: When the keyguard is activated, calls may be
possible to the emergency number programmed
into your phone (e.g., 911 or another official
emergency number). However, one-touch
emergency dialing (‘the 9 key’) does not operate.

NHA-4NG Nokia 638_AU 
Authentication version
US English 9351137
Issue 3

Version: 0.7, Date: 11 (2) Dec.
1996
Status: ToL, JaK, JaG, SIR, JoF

14

Summary of Contents for 638

Page 1: ...u facility Used to dial a phone num ber and answer a call With the dis play clear this key recalls the five last phone numbers dialed Used to end a phone call Note When you press and hold the key the keyguard is activated NOKIA and the Arrows logo are registered trademarks of Nokia Corporation 1996 Nokia Mobile Phones All rights reserved Nokia Mobile Phones operates a policy of continuous improvem...

Page 2: ...lume 11 Last Number Redial 12 Speed Dialing 12 1 Touch Dialing 13 9 Key Emergency Dialing 13 Keyguard 14 Calling Card 15 4 USING PHONE DIRECTORY 16 Standard Memory Locations 16 Dialed Calls Memory Location 16 Notepad Memory Location 17 Entering Names 18 Storing Names and Phone Numbers 19 Memory Scrolling 21 Recalling Names and Phone Numbers 21 Moving Names and Phone Numbers 23 Erasing a Memory Loc...

Page 3: ... SID Screening 36 6 ADDITIONAL FEATURES 38 Sending DTMF Tones 38 Call Waiting 39 Activating PIN Calls 40 7 BATTERY INFORMATION 41 Battery Options 41 Discharging a Battery 42 Recharging a Battery 42 Using Batteries 42 8 ACCESSORIES 44 General 44 Accessory Options 44 9 REFERENCE INFORMATION 46 Important Safety Information 46 Care and Maintenance 49 Troubleshooting 50 Technical Information 50 NHA 4NG...

Page 4: ...Off When Refueling Do not use the phone at a refueling point Do not use near fuels or chemicals Switch Off Near Blasting Do not use the phone where a blasting opera tion is in progress Observe restrictions and follow any regulations or rules in force Use Sensibly Use only in the normal position to ear Avoid unnecessary contact with the antenna when the phone is on Interference All mobile phones ma...

Page 5: ...o do so Regulations FCC Industry Canada Notice A cellular phone may cause TV or radio interference e g when using a phone in close proximity to elec tronic receiving equipment The FCC Industry Can ada can require you to stop using your cellular phone if such interference cannot be eliminated If you re quire assistance please contact your local service fa cility This device complies with part 15 of...

Page 6: ...rward and to scroll backward Press and then scroll through the menu functions by using Press to scroll forward and to scroll backward Hold the key down for continuous scrolling Press once to delete characters one at a time or press and hold to clear the whole display This key is also used to exit the menu functions Used to recall information from the phone directory This key is also used to displa...

Page 7: ... first pressing and then pressing Display Indicators AB Indicates which network is currently in use A system A only B system B only AB both systems Blank home area only ABC Indicates that the phone is in ALPHA mode and letters can be entered or displayed MENU Indicates that has been pressed and you are in the menu facility Indicates the number of a menu function or memory location ON Indicates tha...

Page 8: ...ronger the signal The bar is displayed in 5 segments Indicates the battery charge level The higher the bar the more charge in the battery When the battery is fully charged the whole bar is displayed The bar is displayed in 3 segments Display Editing The display can be edited by using Press once to delete the last digit Press repeatedly to delete digits one by one Press and hold to clear the whole ...

Page 9: ...ght side of the phone display shows the battery charge level The higher the bar the more power left in the battery TO ACHIEVE FULL BATTERY CAPACITY NEW BATTERIES MUST BE CHARGED WITH THE PHONE OFF FOR AT LEAST 24 HOURS BEFORE INITIAL USE Charging a Battery Install the battery and connect the charger to the base of the phone Connect the charger to a standard AC wall outlet Segments of the battery i...

Page 10: ...eries see Battery In formation on page 41 Signal Strength Indication A cellular phone sends and receives radio signals As with all radio equipment the quality of radio re ception depends on the strength of the radio signal in the area where you are operating your phone The strength of the cellular signal is shown by the vertical bar to the left of the S indica tor on the left hand side of the disp...

Page 11: ...mber If you make a mistake press repeatedly to de lete digits one by one or press and hold to clear the whole display Press to dial the phone number If the menu function PIN CALL is set to on press again after the tone See Activating PIN Calls on page 40 The IN USE indicator and the dialed phone num ber will appear on the display When the phone number disappears the call is connected The text NO S...

Page 12: ...uard memory or menu functions To answer a call Press or any key except and lift the phone to your ear Note If the keyguard is activated a call can only be answered by pressing To end a call press If you don t answer a call the message 1 CALL MISSED or CALLS MISSED will remain on the display until you press any key except to clear the display Adjusting the Earpiece Volume The volume of the earpiece...

Page 13: ...ght corner of the display L0 L4 If the stack of the last dialed numbers is empty the message LOCATION EMPTY will be displayed To make a call to a displayed number or name press See also Dialed Calls Memory Location on page 16 Speed Dialing Speed dialing is a handy way to call frequently used phone numbers stored in the phone direc tory locations To store phone numbers see Storing Names and Phone N...

Page 14: ...er official emergency number However only one emergency number is pro grammed into your phone to be dialed automatically by one touch emergency dialing which may not be the proper number in all circumstances Note The 9 Key Emergency Dialing does not oper ate when the Keyguard feature is activated However an emergency call can be made without de activating the Keyguard by entering the whole emer ge...

Page 15: ...he message KEYGUARD OFF is briefly displayed indicating that the keyguard has now been deacti vated When the keyguard is activated To answer a call press During the call the keypad remains unlocked and the phone can be operated in the normal way To end a call press After the call is ended the keyguard automatically becomes active again The phone can not be switched off before the keyguard is deact...

Page 16: ...a tone WAIT FOR PROMPT After the tone press The phone now sends the phone number to the network and the message CARD CALL remains on the display until the transmission is completed The phone prompts you to wait for another tone After the tone press once again The phone now sends the card number to the network and the message CARD CALL remains on the display until the transmission is completed and ...

Page 17: ...emory locaiton 0 L0 L4 Whenever a new call is made the last dialed number is stored in the location L0 and the other numbers in the stack are moved for ward by one location so that the number in the lo cation L4 is overwritten after the sixth call is dialed A phone number cannot be stored twice in the stack When dialing a number that already exists in the stack the dialed number is moved to the to...

Page 18: ...tored NAME Enter the name as described in Entering Names on page 18 and press or just press if you do not want to store a name The phone prompts you to enter the phone num ber NUMBER Enter the area code and the phone number and press OR instead of the steps 1 to 3 above enter the area code and the phone number and name to be stored and then press The phone suggests the first empty memory loca tion...

Page 19: ... the cursor appears to obtain the second and so on If you miss the letter you want just repress the key until the desired character re appears If you want the same letter twice either select it as above wait until the cursor appears and se lect it again or select the letter and press and then select it again immediately To enter a space between the letters press To enter a hyphen or another specia...

Page 20: ... the suggested memory location press b If the name you entered is already in use the phone displays the number of the memory location where it is stored and prompts you to overwrite the memory location REPLACE NAME If you want to replace the information previously stored to the memory location press c If there is no empty memory location available the phone prompts you to enter the memory location...

Page 21: ...t want to continue either press or wait until the message NOT STORED at the store and replace prompts or NOT MOVED at the move prompt appears The phone exits the store function and the information you tried to store will then reappear on the display and you can store it in the memory as described above or you can clear the display by pressing and holding To use the quick save method Enter the area...

Page 22: ...the name you want to recall and press or start scroll ing by using The name or if you entered the first letter s only the names beginning with the first letter are dis played To display an associated phone number press You can view other stored names listed under the first letter by using If no matching name is found the message NAME NOT FOUND will be briefly displayed and the entered characters w...

Page 23: ...l be displayed To see the associated name if avail able press Use to view other mem ory locations in use If the selected memory location is empty the message LOCATION EMPTY will be briefly dis played and the phone exits the function if you pressed If you started scrolling without pressing the message LOCATION EMPTY will be briefly dis played and the next memory location in use will then be display...

Page 24: ...in use the phone prompts you to overwrite the contents of the location REPLACE CONTENT If you want to replace the information press The message MOVED will be displayed confirm ing that the information has been moved to the memory location displayed in the upper right cor ner of the display When the MOVE or REPLACE prompt is dis played and you do not want to continue either press or wait until the ...

Page 25: ...mory Location You can erase a memory location by storing empty entries in it Press and hold to clear the display Press to enter the store function Press at NAME and NUMBER prompts Enter the number of the memory location you want to delete at the store prompt and press The message REPLACE CONTENT appears Press to confirm the deletion The message STORED and the memory location number are briefly dis...

Page 26: ...nction The current setting is always displayed first Press to select the displayed option or use to exit the menu facility without changing the settings Shortcut Method The menu functions are numbered and the functions 1 to 9 can be accessed via their shortcut number Note Menu functions 10 to 13 cannot be accessed by this shortcut method Press and enter the number of the menu function you want to ...

Page 27: ...pe EMERGENCY to set 9 Key Emerg KEY 9 dialing on off 1 TOUCH to set the 1 Key one DIALING touch dialing on off NAM to view and select SELECT your cellular number CALLING to select and activate CARD a calling card option CHANGE to change the four LOCKCODE digit lock code SID to set the SID SCREEN screening on off There is an additional feature which is operated via the following menu shortcut KEYGU...

Page 28: ...s or press as a shortcut access method The phone displays its current restriction level Scroll the options and confirm your choice by pressing The phone prompts for your four digit lock code LOCKCODE Enter your lock code and press If you made a mistake in entering the lock code the message CODE ERROR is displayed and the phone exits the menu function Note When calls are restricted calls may be pos...

Page 29: ...e service area Contact your cellular service provider for informa tion about roaming agreements they have with other cellular service providers In some areas roaming phones are automatically recognized by the cellular system s computer In other areas you must contact the service provider before it can recognize your phone The operator needs to know your phone number your phone s ESN electronic ser...

Page 30: ...lected NAM is programmed to the system B cellular provider Press to select the displayed setting or press to exit the menu facility Note The home type depends on the program ming of the currently selected NAM The A and B are reversed when the phone is programmed to the A system cellular provider The phone will automatically display the selected system type A or B in the upper left corner of the di...

Page 31: ...pts you to enter your four digit lock code LOCKCODE Enter your lock code and press The message TIMERS CLEARED is briefly dis played confirming that the resettable call duration timers have been reset to zero Note The reset operation cannot be undone Note The actual time invoiced for calls by your service provider may vary depending upon net work features rounding off for billing and so forth Light...

Page 32: ...ain on for 15 seconds after you have pressed a key or an incoming call alert has been received Keypad Tones Menu 5 A short tone is sounded each time you press a key of your phone This menu function allows you to set the keypad tones on or off Press and scroll to the menu function KEYPAD TONES by using and press or press as a shortcut access method Scroll through the options KEYTONES ON or KEYTONES...

Page 33: ... and when you are not using other functions of the phone This is to remind you that the ringing tone is set off Note All other tones of the phone except for the charger connected tone are also switched off Ringing Type Menu 7 This menu function allows you to select and dem onstrate any of the five ringing tone types of your phone Press and scroll to the menu function RINGING TYPE by using and pres...

Page 34: ...CY KEY 9 by using and press or press as a shortcut access method Scroll through the options EMERG 9 ON or EMERG 9 OFF by using and confirm your choice by pressing Note The one touch emergency dialing operates when calls are restricted but does not operate when the Keyguard is activated 1 Touch Dialing Menu 9 This menu function allows you to set the key one touch dialing on or off 1 TOUCH ON Enable...

Page 35: ...ll the message CALL IN PROGRESS is dis played and the phone exits the menu facility Note If your phone is set to your first number you can only receive calls to that number You may be able to forward calls from your second number to your first number so as not to miss any calls if this service is provided by your network operator For more information please contact your cellular serv ice provider ...

Page 36: ...essage CODE ERROR is displayed and the phone exits the menu facility Scroll through the options by using and confirm your choice by pressing If you select the NO CARD option the previously stored calling card data will be erased and the phone exits the menu facility If you select one of the card options the phone prompts for the network access number if re quired ACCESS NUMBER Enter the access num...

Page 37: ...ompts you to confirm the new lock code CONFIRM Reenter the new lock code and press The message STORED is briefly displayed con firming that the new lock code has been set SID Screening System Identity SID information can be pro grammed into your phone by your dealer the iden tities of specific networks on which the phone will operate can be programmed into each NAM This function allows you to set ...

Page 38: ...he message NOT ALLOWED is briefly displayed and the phone exits the menu facility Scroll through the options SID SCRN ON SID SCRN OFF by using and confirm your choice by pressing The phone prompts for your four digit lock code LOCKCODE Enter your lock code and press The message STORED is briefly displayed con firming the selection If you entered an incorrect lock code the mes sage CODE ERROR is br...

Page 39: ...nsert a wait character between the access phone number and DTMF number See Adding a Wait Character on page 39 Recall the phone directory location containing the phone number and DTMF string to be sent Press to dial the phone number After the phone number has disappeared from the display wait for the tone and press If the keypad tones have been set off the DTMF tones will be sent but you will not h...

Page 40: ...nd then twice To send a DTMF sequence containing a wait char acter see Automatic Dialing on page 38 Call Waiting Your cellular service provider may offer a call wait ing option This network feature allows you to make or answer a second call while you already have a call in progress To make a call while you have a call in progress Enter the phone number or recall the number from the memory and pres...

Page 41: ...PIN CODE Press without entering the PIN code The message PIN CALL OFF is briefly displayed confirming the PIN call deactivation To make a call when the PIN call is set to on Make the call in the usual way The message PIN CALL is displayed The phone asks you to wait for a tone WAIT FOR A PROMPT After the tone press The message SENDING PIN is displayed If the message remains on the display press to ...

Page 42: ...T 6S 950 mAh NiCd 4 h 30 min 1 h 30 min Ultra Extended Battery 1700 mAh NiMH 9 h 3 h Note The above charging times are approximate Talk and Standby Times TALK STANDBY Slim Battery BBT 6L 470 mAh NiMH 1 h 13 h Extended Battery BBT 6S 950 mAh NiCd 2 h 26 h Ultra Extended Battery 1700 mAh NiMH 3 h 20 min 47 h Installing and Charging a Battery For installing removing and charging the battery see Getti...

Page 43: ...ate the RECHARGE BATTERY message will be displayed and a warning tone will be given before the phone automatically switches itself off after about 10 seconds Note If SILENT SERVICE has been selected only the display messages appear See Ringing Volume on page 32 Recharge the battery as described in Charging a Battery on page 8 Using Batteries A new battery s full performance is achieved only after ...

Page 44: ...ly charged The bat tery may require cooling or warming first The per formance of NiMH batteries is particularly limited in temperatures below 14 F 10 C Do not short circuit the battery Accidental short circuiting can occur when a metallic object coin clip or pen causes direct connection of the and terminals of the battery metal strips on the back of the battery when you carry a spare bat tery in y...

Page 45: ...turer The use of any other types will invalidate any approval or warranty ap plying to the phone and may be dangerous Accessory Options ACH 8U Standard Travel Charger To use this durable and economical charger simply plug the charger into a wall outlet and connect the lead to the bottom of your phone or desktop stand Check the charging status on the phone display The charging time for a phone manu...

Page 46: ...phone battery wherever you travel Its stylish and functional design fits well in most car interiors Plug the charger into your car s cigarette lighter socket and connect the lead to the bottom of your phone A green light indicates that the charger is ready to charge Check the charging status on the phone display The charging time for a phone manufacturer ap proved 470 mAh battery is about 45 minut...

Page 47: ...ellular phones may interfere with the functioning of inadequately protected medical de vices Consult a physician or the manufacturer of the medical device if you have any questions Other electronic equipment may also be subject to interference As with other mobile radio transmitting equipment users are advised that for the satisfactory opera tion of the equipment and for the safety of person nel i...

Page 48: ...ircraft may disrupt the cellular network and is illegal Failure to observe these instructions may lead to suspension or denial of cellular phone services to the offender or legal action or both Emergency Calls IMPORTANT This phone like any cellular phone operates using ra dio signals cellular and landline networks as well as user programmed functions which cannot guarantee connection in all condit...

Page 49: ...ll until given permission to do so Using This Guide The cellular phone described in this guide is ap proved for use in AMPS networks A number of features included in this guide are called Network Services They are special services pro vided by cellular service providers Before you can take advantage of any of these Network Services you must subscribe to the service s you require from your home ser...

Page 50: ...ain plastics Do not store the phone in cold areas When the phone warms up to its normal operating tem perature moisture can form inside the phone which may damage the phone s electronic circuit boards Do not attempt to open the phone Non expert handling of the phone may damage it Do not drop knock or shake the phone Rough handling can break internal circuit boards Do not use harsh chemicals cleani...

Page 51: ...na make sure that the antenna is extended to its full length Check if there is an error message on the display after switching on If so contact your local dealer Technical Information Weight 6 93 oz 196 g with 470 mAh Slim NiMH battery or 8 41 oz 238 g with Extended 950 mAh NiCd battery Transmitting Power 0 6 W 2 db 4 dB Operating Voltage 4 8 V internal battery 110 V AC 12 V car Frequency Band 824...

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