jWIN JT-P840 Owner'S Manual And Operating Instructions Download Page 3

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By keep pressing [DEL] key more than 4 seconds in main menu, the 
entire incoming calls record will be deleted. 

 

5. REVIEW DIALED CALLS 

Use [DIALED] key to review the last dial out record and press [DIALED] 
continually for total 16 records review.  Use [DEL] key to erase a dialed 

call record. 

Press [REDIAL] to dial out the displaying number. 

 

6. PHONE BOOK REVIEW AND DIAL OUT 

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Press [BOOK] key to enter the phone book, you can use [UP], 
[DOWN] key to review the whole records or 

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Enter the first letter of the record by pressing the numeric key, 
which corresponds to the letter, and then press the same key 

continually to until the records you want appeared. 

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Press [DIAL] to dial out the number after the desired record is 
located. 

 

7. MUSIC ON HOLD 
Press [HOLD] key to start the music hold and 

- If lift the handset again music hold will stop and starts conversation 

again or 

-Press [HOLD] or [SPEAKER] key again to stop music hold and enter 

“speaker phone” mode. 

 
8. PAUSE BUTTON 

In some cases, such as PABX or long distance service, pauses should be 

inserted in the dialing sequence, the unit provides stackable pause 

function (3.6 sec/pause) which facilitates flexible applications. 

 

9. BABY CALL FUNCTION 
When you activate the baby call function (Please view the installation 

part on how to activate the function), by pressing any key on the phone 

(except [SET] key), the preset number will dial out under speakerphone 

mode. 

 

10. DIGITAL LOCK 
Activate Lock Function 

1. Press [CODE] key to enter lock manual, “INPUT PIN CODE” will 

appear on LCD. 

2. Enter “8888” (preset pin code) and press [CODE] again, “UPDATE 

LOCK CODE” will appear on the LCD. 

3. Enter desired digits you would like to lock up and use “#” to separate, 

for example “001” and “1”, enter “001#1” 

4. Press [CODE] to confirm and complete 
 

Deactivate Lock Function 

1. Repeat Step one above 

2. Repeat Step two above 

3. Use [DEL] key to erase the locked digits 

4. Press [CODE] to confirm 
 

Modify Pin Code 

1. Press [CODE] key, then enter factory preset pin code [8888] and 

press [CODE] key again.  “UPDATE LOCKCODE” will appear on the LCD. 

2. Press [UP] key to enter the modify mode, “MODIFY PIN CODE” will 

appear on the LCD. 
3. Enter desired personal pin code (must be 4 digits) and press [CODE] 

key to confirm. 

* If you forget your pin code, please remove the batteries and 

disconnect the unit form telephone line for three hours.  The pin code 

will reset back to factory mode “8888” and 

all other information such as 

phone book and incoming calls details will be erased. 

 

IMPORTANT NOTES: 

To operate this unit, you must have ‘CALLER ID SERVICE’ set-up with 

your local telephone company.  Some functions such as “CALLER NAME 

INDICATION” and “MESSAGE WAITING INDICATION” will only operate if 

such services are included in the user’s Caller I.D. program with the local 
telephone company. 

 

IMPORTANT SAFETY INSTRUCTIONS 

 

When you use your telephone, follow these safety precautions to reduce 

the risk of fire, electric shock, and injury: 
 

• 

Read and understand all instructions.  Follow all warnings and 
instructions marked on the phone. 

• 

Unplug the phone from the wall jack before cleaning with a damp 
cloth. 

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Do not use liquid or aerosol cleaners.  Do not use this phone near 
water.  For example, near a bathtub, sink, or a pool. 

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Do not let anything rest on the phone or power cord.  Do not place 
this phone where a person can walk on or abuse the cord. 

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