Daewoo DTC-350 User manual

INTRODUCTION
Thank you for purchasing our newest Caller ID phone. This manual is designed to familiarize
you with this phone. To get the maximum use from your new phone, we suggest that you read
this instruction manual carefully before using.
SAFETY INSTRUCTION
When using your telephone equipment, the following basic safety precautions should always be
followed to reduce the risk of fire, electric shock and injury to persons:
1. Read, understand and follow all warnings and instructions
2. Unplug the product from the wall outlet before cleaning. Do not use liquid cleaners or
aerosol cleaners. Use a soft damp cloth for cleaning.
3. Do not place this product on unstable surfaces. The product may drop, causing serious
damage to the product.
4. Do not overload wall outlets and extension cords as this can result in fire or electric shock.
5. Never push foreign objects of any kind into this product through cabinet slots as they may
affect dangerous voltage points or short circuit parts that could result in fire or electric shock.
Never spill liquid of any kind on the product.
6. Avoid moving or disconnecting this unit during a heavy storm, as there may be a remote risk
of electric shock from lightning and thunder.
7. Unprofessional person cannot open telephone even meets troubles, please send to service
center.
FEATURES
¾FSK/DTMF/ETSI compatible with auto-detection
¾16-digit LCD display
¾99 incoming and 18 outgoing numbers
¾3 one-touch and 10 two-touch memories
¾16 kinds of ringing tone for selection
¾3 kinds of hold on music for selection
¾Do Not Disturb function
¾Secret code function in Do Not Disturb state to avoid missing important calls
¾Pre-dial and edit function
¾Redial and function
¾3-step lock function and 5 sets of alarm clock
¾16 levels of LCD contrast
¾Set PABX code
¾Pulse/Tone dialing mode compatible
¾3 levels of hands free volume for selection
¾Ringing volume 8 steps selection
¾In use and RING LED indicator

2
¾Thunder proof design
¾Hands free dialing and speaking function
¾Baby call function

3
LOCATION DESCRIPTION

4
GETTING STARTED
1. The unit requires 3 X 1.5V AA batteries. Open the battery compartment cover and insert the
batteries in the right polarity, then close the cover (Proposal using alkaline battery). There
should be time display on the liquid crystal screen after the batteries are inserted.
2. Insert one end of the line cord to the line jack of the base and the other end to the wall outlet
of exchange.
3. Connect the handset and the unit with coiled line.
4. Setting the dialing mode to correct mode according to the directions from your local telecom.
5. Apply for the caller ID from your local telecom office.
RECEIVING A CALL
1. When a call comes, the telephone rings, and LCD displays the seq. number of the call, the
date, time, incoming number and the NEW icon. The RING LED indicator will flash when
missed called.
2. If the same number is received again, and the previous call has not been reviewed, the LCD
displays REP icon.
When the incoming memory is full, the latest incoming number replaces the oldest number in
the memory
NOTE: For the phone to display incoming number and other information, you must have
an active Caller ID subscription with your local telephone exchange company.
¾From handset
1. Pick up the handset and talk to the other party.
2. When finished, return the handset to the base.
¾Switching to speakerphone
1. When using the handset, press SPEAKER key and return the handset to the base.
2. When finished, press SPEAKER key again.
¾From speakerphone
1. When the telephone rings, press SPEAKER key and talk to the caller. For the other party to
hear your voice clearly, speak into the speaker from a distance of 32cm or less.
2. When finished, press SPEAKER key again.
NOTE: Generally telecom transmits the incoming message between the first ring and the
second ring. So please answer the phone after the second ring.
MAKING A CALL
¾From handset
1. Pick up the handset.
2. When you hear the dial tone, dial the desired number.
3. The unit will start to time the conversation after 6 seconds.
4. When finished, return the handset to the base.
¾From Speakerphone
1. Press SPEAKER key
2. When you hear the dial tone, dial the desired number.

5
3. The unit will start to time the conversation after 6 seconds.
4. When finished, press SPEAKER key again.
¾Pre-dialing function
1. When the handset is on the base, dial the desired number.
2. If there are mistakes, use the DEL key to edit.
3. Press SPEAKER key or pick up the handset and the number will be dialed automatically.
¾Redial
1. Pick up the handset or press SPEAKER key,
2. Press REDIAL key, the last dialed number will be dialed again
REVIEWING, CALLING BACK AND DELETING INCOMING NUMBERS
¾Reviewing
In on-hook state, press UP or DOWN key to scroll and review the numbers.
¾Deleting
When the desired number is shown, press DEL key, the number is deleted.
Press and hold DEL key for 3 seconds; all the incoming numbers are deleted.
¾Calling back
1. Scroll to the desired number, press SPEAKER key or pick up the handset, and the number
is dialed out
2. Or press REDIAL key, LCD displays PICK UP, press SPEAKER key or pick up the handset,
the number is dialed out.
3. Or press and hold REDIAL key till PICK UP flashing, press SPEAKER key or pick up the
handset, the number is dialled out. If the long distance code is set, the telephone will add
the long distance code ahead the number automatically and then dial back. If the PABX
code is set, the telephone will detect and add the code before the number automatically
when dialling back the number. It will dial the PABX code first and then after a 2 second
pause and then dial the number.
NEW INCOMING CALL LED AND RINGING LED
New and ring indicator is the same LED, when a new call comes in, the RING LED is blinking,
when a new number has not been reviewed, the LED is blinking in 4s interval.
PREVENTING FSK MESSAGE TO AUTO-ADJUST REAL TIME
When a FSK message comes, the unit adjusts real time automatically, you can prevent real
time auto adjustment as follows:
1. In on-hook state, press and hold ALARM key for 3 seconds, LCD displays DATE OFF,
2. Press ALARM key again, LCD displays DATE ON,
3. Press SET key to quit.
NOTE: DATE OFF: Does not allow real time auto adjustment
REVIEWING, CALLING BACK AND DELETING OUTGOING NUMBERS
¾Reviewing
In on-hook state, press OUT key, then repeat to press OUT to review outgoing numbers one by
one.

6
¾Calling back
1. In on-hook state, press OUT key to review the desired number, then press SPEAKER key or
pick up the handset, and the number is dialed out, or
2. Press REDIAL key, LCD displays PICK UP, press SPEAKER key or pick up the handset,
the number is dialed out.
¾Deleting
1. In on-hook state, press OUT key to scroll to the desired number.
2. Press DEL key and the number is deleted, or
3. Press and hold DEL key for 3 seconds. All numbers will be deleted.
SETTING MENU
¾Setting date & time
1. In on-hook state, press SET key, the value for the year flashes.
2. Press UP or DOWN key to edit the year.
3. Press SET key to confirm and enter the next value month setting.
4. Repeat the year setting step to set the month.
5. Repeat the above steps for date and time setting.
¾Setting Local Area Code and Long Distance Code
1. After setting up the date and time, press SET key. LCD displays CODE 0----- and the long
distance code “0” flashes,
2. Press UP or DOWN key to edit the flashing code from 0 to 9 or -.
3. Press SET key to confirm and enter the next flashing code setting.
4. Repeat the above steps for the rest code setting.
¾Adjusting LCD Contrast
1. After setting up the local area code, press SET key, LCD displays LCD 08
2. Press UP or DOWN key to adjust the LCD contrast, total 16 levels can be selected.
3. Press SET key to confirm and exit.
4. At on-hook state, press BRIGHT key to enter LCD contrast setting directly
¾Setting Alarm Clock
1. In on-hook state, press ALARM key once, LCD displays 12-00 AL1,
2. Press UP or DOWN key to select ON or OFF. LCD displays “ALM” icon when the alarm is
set to ON.
3. Press SET key, value “12” starts to flash.
4. Press UP or DOWN key to set the alarm hour and press SET key to confirm and enter alarm
minute setting.
5. Press UP or DOWN key to edit alarm minute and press SET key to confirm and go to next
group alarm clock setting.
6. Repeat the above steps to set additional alarms.
NOTE: The first 3 groups alarm clock will be repeated periodically every day while the last 2
groups alarm clock is effected one time.

7
SECRET CODE SETTING AND REMOTE MONITOR FUNCTION
¾Setting
1. In on-hook state, press and hold RING key for 3 seconds, LCD displays Pin ----.
2. Input a 4-digit of PIN using the numeric keys.
3. Press DEL to edit the secret code, press SET to confirm.
4. When the last digit of the secret code is #, the telephone will activate remote monitor
function.
5. Set the ringing to OFF. (Please refer to section “SETTING RINGING TONE”).
¾Usage
1. Secret code: When caller call this telephone, he/she will hear the usual ringing tone (when
the line gets through) three times or four times. However, the telephone unit will not ring.
The caller will hear a short “di” sound, which means that the caller need to key in the secret
code. Once the caller keys in the correct code, the telephone unit will ring. Press SPEAKER
key or pick up the handset to have the conversation with the caller.
2. Remote monitor: If the last digit of the secret code is #, after the caller keys in the correct
secret code, the telephone unit will go into hands free mode automatically.
3. If the caller keys in the wrong code, he/she will have to call again and key in the correct
secret code PIN.
NOTE: This function is useful only when the telephone ringing is set to OFF. The caller must
know the secret code in order to dial through the line.
R CALL TRANSFER FUNCTION
To transfer a call during a conversation to another phone number, press Rkey and dial the
desired destination number. When you here tone signal return the handset to the base to finish
the call transfer.
BABYCALL FUNCTION
At on-hook state, press and hold REDIAL key for 3 seconds to come into baby call function
setting. LCD displays BABYCALL OFF, press REDIAL key to set it ON, press SET key. LCD
displays NO CODE (or the preset baby call number, press DEL key to cancel), input baby call
number using numerical key and press SET key to confirm.
After set baby call function to ON state, press any key except REDIAL key or pick up handset or
press SPEAKER key will dial the baby call number automatically 32 times.
When baby call function is ON state, you can still answer the incoming call or parallel call by
handset.
NOTE: If you don’t use the function, enter baby call function setting as per above operation and
select BABYCALL OFF, press SET key to confirm.
SETTING RINGING TONE
There are 16 kinds of ringing tone and ringing OFF for selection:
1. In on-hook state, press RING key, LCD displays ring 02 db8
2. Press RING to select the desired ringing or set ring OFF.
3. You can press UP or DOWN key to adjust the ring volume.

8
4. Press SET to confirm and exit.
NOTE: The volume ranges from 1db-8db, with 8db being the loudest. Ring OFF is “Do Not
Disturb” mode. If the phone is set to this mode, the telephone will not ring when there is an
incoming call.
Sliding the switch RING can also adjust the ringing volume for an incoming call.
ADJUST HANDSFREE VOLUME
In hands free mode, press UP or DOWN to adjust the handsfree volume, LCD displays the
volume level and there are a total of 3 levels.
SELECTING PULSE OR TONE DIALING MODE
1. In on-hook state, press and hold *key for 3 seconds, LCD displays P, then dialing mode is
set as Pulse.
2. Press SPEAKER key twice and hold *key for 3 seconds again, LCD displays T, then
dialing mode is set as Tone.
SETTING PABX CODE
1. In on-hook state, press and hold DEL key 3 seconds to set PABX code, LCD displays
SET PCODE - and the “-” flashes.
2. Press UP or DOWN key to set PABX code from 0 to 9 or -.
3. If choose “-”, it means no PABX code has been set.
4. Press SET key to confirm and quit.
HOLD ON MUSIC
¾Hold music selection
There are 3 kinds of hold music for selection
1. At off-hook or hands free state, press HOLD key
2. Press OUT key to select the desired hold music. It plays the music at same time.
3. Press UP or DOWN key to adjust the hold music volume.
4. Press HOLD key to quit.
¾When talking over handset, press HOLD key to enter the hold mode and the hold
music is sent out. In hold mode
1. Press HOLD key to release hold mode and continue to talk over handset, or
2. Hang up handset, it enters hands-free hold mode.
¾When talking at hands-free mode, press HOLD key to enter the hold mode and the
hold music is sent out. In hold mode
1. Pick up handset to talk over handset, or
2. Press SPEAKER key to quit hold mode and talk at hands-free mode.
ONE TOUCH MEMORY OPERATION
¾Store the number in one-touch memory
1. Pre-dial the desired number or checking incoming and outgoing number that you want to
store.
2. Press STORE key
3. Press Mi(i=1~3) key

9
¾Make a call from one-touch memory
In off-hook or on-hook situations, press Mi(i=1~3) key to dial the stored number out.
TWO TOUCH MEMORY OPERATION
¾Store the number in two-touch memory
1. Pre-dial the desired number or checking incoming and outgoing number that you want to
store.
2. Press STORE key
3. Press one of digit keys (0-9)
¾Make a call from two-touch memory
In off-hook or at hands-free state, press STORE key + digit key (0-9) key, the relevant number
will be dialed out.
LOW BATTERY DETECTION
When the voltage is lower than 3.9V, LCD displays “” icon to remind the user to replace the
batteries.
LCD BACKLIGHT FUNCTION
The backlight is turned on when receiving an incoming call, dialing, pressing any key or in
MUSIC HOLD mode. It will fade off if the telephone is left idle for 10 seconds.
NOTE: If batteries are not loaded, there will be no LCD backlight function.
PAUSE FUNCTION
If dial a number from PABX extension, press PABX number (normally “0” or “9”) + ALARM +
desired number. When redial, need not dial PABX number and ALARM key, just press REDIAL
key.
LOCK
Turn the key to yellow point, all numbers are locked except emergency numbers.
Turn the key to green point, all numbers starting with “0” are locked
Turn the key to red point, all numbers are allowed to be dialled out.
NOTES
Please unplug telephone line and power (if any) when installing / replacing batteries.
TROUBLESHOOTING
- No voice
Check if the handset is on the phone or if the line has terminated.
- Receive only
Check if P/T mode is properly set.
Check if the unit is locked (use the key to unlock it)
- Rusty batteries or leakage
Remove the rust or wipe away the leakage.
- Noise
Check if the circuit is spoilt. (Change the circuit)
Check if the connector is wet or rusty (Change the connector)