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5

SET PABX CODE   

1.  In on hook state, press the

 [SET]

 key   

2. Press 

the 

[UP]

 key twice, the LCD displays 

SET 3 PCODE

.

3. Press 

the 

[SET]

 key to confirm, LCD displays 

PCODE --

4.  The first “-” flashes denoting the first digit of the PABX code. 

5. Press 

the 

[UP]

 or 

[DOWN]

key to set the first digit of the code, Press the 

[SET]

key to confirm and to 

proceed to the next digit. 

Note:

Once a PABX code is set then the PABX code will automatically be inserted before the telephone 

number when dialing back a number from the saved incoming call list.    This feature is used only when the 

telephone is connected behind a PABX.

SET AUTO IP

Note:

 This function is not available. 

SET PULSE/TONE DIALING MODE 

1.  In on-hook state, press the 

[SET]

 key and then press the 

[UP]

 key four times, LCD will display 

SET 5 P/T

2. Press 

the 

[SET]

 key to confirm, then press the 

[UP]

 or 

[DOWN]

 key to select 

PULSE 

or

 TONE

3. Press 

the 

[SET]

key to confirm. 

SET ANTI-DIALING FUNCTION   

1.  In on-hook state, press the 

SET

 key and then press the 

[UP]

key 5 times, the LCD displays 

SET 6 ALAR

2. Press 

the 

SET

 key to confirm, the LCD displays 

ALAR OFF

, press the

 [UP]

 key to select 

ON

or

OFF

.

3. Press 

the 

SET

 key to confirm. 

If there is another QT2511 telephone connected to the same telephone line (in parallel), and the anti-dialing 

function is activated (set to ON), then the other user will not be able to dial a number and will hear a “DI-DI, 

DI-DI” tone continuously. 

SET LCD CONTRAST     

In on hook state, press the

 [SET]

 key   

2 Press 

the 

[UP]

 key five times, the    LCD displays 

SET 7 LCD

3 Press 

the 

[SET]

 to confirm, the LCD displays 

LCD 3

4 Press 

the 

[UP]

 or 

[DOWN]

 key to select a comfortable level, there are 5 levels in total. 

5 Press 

the 

[SET]

to confirm. 

FLASH                                                                                                                                                                                         

         

When the called party’s line is busy (busy tone from exchange), press the 

FLASH

key and then press the 

REDIAL

 key to redial the number. 

HOLD WITH MUSIC FUNCTION                                                                            

During a conversation, press the

 [HOLD] 

key to activate the hold mode.    The other party will hear music and 

will not be able to hear you as the microphone is muted. 

Press the 

[HOLD]

 key once again to release hold mode and continue with the conversation. 

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