TELEDEX BTX4750 User Manual

Included with the BTX4750 are (one each):

• Base unit

• Coiled handset cord

• User guide

• Handset

• Clear plastic overlay

• Line cord

Contact your supplier or Teledex for information on ordering

custom designed and printed faceplates to enhance the look of your

Teledex BTX4750 telephone.

1) Located on the left side of the BTX4750 is a modular jack

labeled

Insert one end of the coiled handset cord

into this jack (until you hear it click).

2) Insert the other end of the coiled handset cord into the modular

jack on the handset.

3) Turn the telephone so the back panel is facing you. Insert either

end of the line cord into the jack on the back of the telephone

this jack is labeled

4) Insert the other end of the line cord into a telephone wall jack.

5) The overlay is easiest to remove by, with your fingers, squeezing

the outer edges causing a slight bow in the middle, then carefully

remove one side of the overlay from the 3 tab guides. The over-

lay is easiest to insert when; The left or right side tabs are insert-

ed first, and the middle part of the overlay is slightly bowed to

allow for insertion of the other tabs.

Line 1 or Line 2 is selected by depressing one of the latching line

keys. The line key that is depressed is the active line when using the

handset. Pressing the alternate line key will make the other line

active. Use the 

key to place callers on hold while connecting

to the other line.

The BTX4750 has two ring volume settings. 

To change the ring volume: 

Locate the adjustment control on the back of the telephone labeled

. There are two controls (labeled 

for Line 1 and

for Line2). Slide the switch to the desired LOW or HI ring vol-

ume for each line.

1) Press button for Line 1 or Line 2 to activate the ringing line. A

red flashing LED indicates which line is ringing.

2) Lift the handset to connect to the ringing line.

3) To end the call, hang up by replacing the handset.

1) Select Line 1 or Line 2 (if not previously selected).

2) Lift the handset. The line LED will turn green indicating line in use.

3) Listen for dial tone, dial the desired number, or press an autodial

key to automatically dial a number.

4) To end the call, hang up by replacing the handset.

The raised red lens is a Visual Ring Indicator and Message Waiting

light. The lens will flash when the telephone is ringing. Additionally,

some telephone systems permit an operator or message center to turn

on the red Message Waiting light to alert you that you have a message.

To place a call on Hold for Line 1 or Line 2:

Press the red 

key. The Line LED light will change to red and

Line key will un-latch. The handset can be replaced without discon-

necting the call.

The DATA PORT is a modular jack, located on the right side of the

telephone, labeled 

. The DATA PORT provides convenient

access to the telephone lines for connecting modems, fax and

answering machines or other telephone components (Line 1 can be

used for

voice calls and Line 2 can be used for data calls simultaneously).

To use the DATA PORT:

Insert the modular line cord from your facsimile machine, modem,

etc., into the jack labeled 

. The DATA PORT will only access

Line 2. When using the telephone for voice communications and

data communications at the same time, use Line 1 for your voice

communications.

The 

key will increase the handset volume.

Pressing this button during a call will increase the receive volume,

pressing the key again will return the volume to the normal level.

The handset volume is reset to normal with each new call.

To REDIAL the last telephone number dialed:

1) Press Line 1 or Line 2 to select a line.

2) Lift the handset.

3) Press the 

key. The BTX4750 will dial the last number

dialed.

The BTX4750 has 11 programmable 

keys. These keys

can be programmed to automatically dial telephone numbers or acti-

vate telephone system features.

Some of the AUTO DIAL locations may have been preprogrammed

before installation.

The telephone must be connected to a telephone line.

1)

Lift the handset.

2)

Press the 

key and release it.(see diagram for key location).

3)

Enter the telephone number including PAUSE or FLASH* as

required The dialing sequence can be up to 15 digits.

4)

Press the 

key where the number is to be stored.

5)

Hang up the handset.

*A 3.6 second pause is entered in a dialing sequence by pressing the

key for each PAUSE required.

Pressing the 

key initiates a 600ms hookflash. Typical usage is

to access PBX/CO features like transfer and conference call.

This key is used when storing numbers in the 

keys.

Press the Mute key, the red LED below the 

key will light. The

party on the other end will not hear you when the MUTE key is

depressed. Pressing the 

key again will release the key. This will

allow the other party to hear you. This is for both handset and

speakerphone calls.

1) Without lifting the handset, press the 

key. The

red Speaker LED will light.

2) Listen for dial tone. Dial the desired number, or press an 

key to automatically dial a number.

3) To end speakerphone calls, press the 

key . The

LED will go out.

1) Face the telephone to talk (the microphone is located on the

front edge of the telephone).

2) To go to handset mode, lift the handset, the speakerphone will

automatically go off. To return to speaker mode, press the

key, the LED will light. Replace the handset

(hang up).

3) To end a speakerphone call, press the SPEAKERPHONE key.

To increase/decrease speakerphone volume: