CONNECTING THE BTX4550
Included with the BTX4550 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 BTX4550 telephone.
1) Located on the left side of the BTX4550 is a modular jack
labeled TO HANDSET.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 TO TEL.
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.
RECEIVING A CALL
1) Lift the handset to connect to the ringing line.
2) To end the call, hang up by replacing the handset.
PLACING A CALL
1) Lift the handset.
2) Listen for dial tone, dial the desired number, or press the AUTO
DIAL key to automatically dial a number.
3) To end the call, hang up by replacing the handset.
VISUAL RING INDICATOR AND MESSAGE WAITING
LIGHT
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
waiting.
USING THE DATA PORT
The DATA PORT provides convenient access to the telephone lines
for connecting modems, fax and answering machines or other tele-
phone components.
To use the DATA PORT:
Insert the modular line cord from your facsimile machine, modem,
etc., into the jack labeled DATA.
ADJUSTING THE RING VOLUME
The BTX4550 has two ring volume settings.
To change the ring volume:
Locate the adjustment control on the back of the telephone labeled
RINGERLOW/HI. Slide the switch to the desired LOW or HI ring vol-
ume.
AUTO DIAL KEYS
The BTX4550 has 10 programmable AUTO DIALkeys. These keys
can be programmed to automatically dial telephone numbers or, to
activate telephone system features when connected to a compatible
PBX.
The telephone will dial the number each time an AUTO DIAL key is
pressed.
STORING AUTO DIAL KEYS
To store an AUTO DIAL number:
The telephone must be connected to a telephone jack.
1) Lift the handset.
2) Press the STORE key and release it.
3) Enter the telephone number including PAUSE or FLASH* as
required (See diagram for key location). The dialing sequence can
be up to 15 digits.
4) Press the AUTO DIAL key where the number is to be stored.
5) Replace the handset.
FLASH KEY
The flash key provides a timed line interrupt typically used for
accessing PBX/CO features like transfer and conference. The timing
of the hookflash is programmable with the factory default timing set
to 600 milliseconds. Some PBX's may require you to change the
hookflash timing from the default 600ms.
To change the hookflash timing:
1) Lift the Handset.
2) Press the STORE key (see diagram on back page).
3) Press the FLASH key (see diagram on back page).
4) Select 1 - 9 on the DTMF pad. The number selected will be the
new flash timing in milliseconds (ie: "3" = 300 milliseconds).
5) Press the STORE key.
PAUSE KEY
The PAUSE key can be used to provide a timed pause between
dialed digits within an autodial key. The timing of the pause is pro-
grammable with the factory default set to zero (0) seconds.
To change the PAUSEtiming:
1) Lift the Handset.
2) Press the STORE key (see diagram on back).
3) Press the PAUSE key (see diagram on back).
4) Select 1 - 9 on the DTMF pad. The number selected will be the
new pause timing in seconds (ie: "3" = 3 Seconds).
5) Press the STORE key.
PLACING A CALL ON HOLD
Press the red HOLD key. The red HOLD LED will light. The handset
can be replaced in the cradle without disconnecting the call.
To retrieve a call from HOLD, lift the handset from the cradle posi-
tion. If handset is not in cradle, simply depress the HOLDkey.
HANDSET VOLUME KEY
The HANDSET VOLUME key increases the handset volume to aid in
hard to hear environments.
At the start of each call the handset volume is at normal level.
Pressing the handset volume increases the handset volume. Pressing
the key again increases the handset volume additionally. Pressing the
key a third time returns the handset volume to the normal level.
REDIAL
To REDIALthe last telephone number dialed:
1) Lift the handset, listen for dial tone.
2) Press the REDIAL key, the BTX4550 will dial the last number
dialed.
NOTE: Some PBX's require a pause after the first digit to access an
outside line. The REDIAL function will automatically incorporate a
pause if the dialed number is 7 digits or more. The inserted pause
will be of the same duration as set in the pause timing.
MUTE KEY
Press the Mute key, the red LED below the MUTEkey will light. The
party on the other end will not hear you when the MUTE key is
depressed. Pressing the MUTEkey again will release the key. This will
allow the other party to hear you. This is for both handset and
speakerphone calls.
PLACING A CALL ON THE SPEAKERPHONE
1) Without lifting the handset, press the SPEAKERPHONE key. The
red Speaker LED will light.
2) Listen for dial tone. Dial the desired number, or press an AUTO
DIAL key to automatically dial a number.
3) To end speakerphone calls, press the SPEAKERPHONE key . The
LED will go out.
BTX4550