Welcome

Congratulations on your purchase of the Uniden DCX640 optional handset and charger. This additional handset is for use with the DCT64 2.4GHz Digital Spread Spectrum series (DCT646, DCT648, DCT6465, DCT6485), model numbers may vary. Each model within this series will support up to 4 handsets. You can place a fully featured cordless handset anywhere in your home as long as you have AC power is available to connect the handset charging cradle.

IMPORTANT

The DCX640 additional handset will not operate unless it has been registered to the main base unit of the cordless model you are expanding. This manual describes only the instructions specific to the additional handset. For detailed operation, refer to the owners manual supplied with the cordless telephone you are expanding (see Expanding Your Phone). To purchase additional handsets (DCX640), visit our web site at www.uniden.com.
Checking the Package Contents
Make sure you have received the following items in the package. If any of these items are missing or damaged, contact the Uniden Parts Department. Cordless Handset Charging Cradle Battery Pack (BT-446) (Capacity: 800 mAH, 3.6V) AC Adapter (AD-310) (INPUT: 120V AC 60Hz) (OUTPUT: 9V DC 210 mA) Beltclip This Owners Manual Other Printed Material Uniden Parts Department at (800) 554-3988 Hours: M-F 8:00 a.m. to 5:00 p.m. CST. or visit our website at www.uniden.com
Install the Rechargeable Battery Pack into the Handset
Follow these steps before using your cordless handset: Make sure the handset is registered to main base unit. Fully charge the battery pack.
Press down on the handset battery case cover (use the finger indention for a better grip) and slide the cover downward to remove. Plug the battery pack connector (red & black wires) into the jack inside the battery compartment. (The connector notches fit into the grooves of the jack only one-way.) Match the wire colors to the polarity label in the battery compartment, and push the connector in until you hear a click. Make sure you have a good connection by slightly pulling on the battery wires. If the connection is secure, the battery jack will remain in place. Place the battery case cover back on the handset by sliding it upwards until it clicks into place. Place the handset in the charging cradle with the keypad facing forward. Use only the Uniden battery (BT-446) supplied with your phone. Replacement batteries are also available through the Uniden Parts Department. (See page 2.) Recharge your handset on a regular basis by returning the handset to the charger after each phone call.
Rechargeable Nickel-Metal-Hydride Batteries Must Be Recycled or Disposed of Properly

Battery Information

Low battery alert
When the batteries are very low and need to be charged, the phone is programmed to eliminate functions in order to save power. The batteries need to be charged when: - The empty battery icon appears. - L ow B a tt e ry appears in the display. If the phone is in standby mode, none of the keys will operate. If you are on a call, complete your conversation as quickly as possible, and return the handset to the charging cradle.
Cleaning the battery charging contacts
To maintain a good charge, it is important to clean the charging contacts on both the handset and the charger once a month. Using water only, dampen a cloth to clean the charging contacts. Then make sure to go back over the charging contacts with a dry cloth before returning the handset to the charger to charge. Caution: Do not use paint thinner, benzene, alcohol, or other chemical products. Doing so may discolor the surface of the telephone and damage the finish.

Connect the Charger

Connect the AC adapter to the DC IN 9V jack and to a standard 120V AC wall outlet. Set the charger on a desk or tabletop, and place the handset in the charger with the keypad facing forward.
Make sure the charge LED illuminates. If the LED does not illuminate, check to see that the AC adapter is plugged in and that the handset makes good contact with the charger charging contacts. Use only the supplied AD-310 AC adapter. Do not use any other AC adapter. Place the charger close to the AC outlet so that you can unplug the AC adapter easily.

Register the Handset

YOU NEED TO REGISTER THE DCX640 TO THE MAIN BASE BEFORE USE!
Before registering the handset, the battery pack must be charged 1 DCX640 Charge the handset Handset for 15-20 hours. for 15-20 hours. Place the extra handset Charger in the main base unit to begin registration. (Picture is the DCXDCT646 series main base.) Handset While the handset is registering, Place the DCX640 H an d se t Re g is te r in g will handset in the main base to register. appear in the LCD. When Main Base

R eg i st r at i on C o mp l et e
is displayed, the handset has been registered to the base. If R eg is t ra t io n F ai l ed appears, please try these steps again.

DCX640 Handset Main Base

The handset can be registered when the main base is in standby mode. Standby Mode - The handset is not in use and talk/flash has not been pressed.
Using the DCX640 with the Integrated Answering Device
If the original unit has a built-in answering system, you can check your new messages, skip, repeat, or delete your messages with the DCX640 handset. For more detailed instructions, see the owners manual supplied with the original unit.
1) Press select/ on the handset in standby mode. 2) After the announcement, enter a command in the following list within 30 seconds. 3) To quit, hang up or press end.
Command Function Command Function Repeat a Message Answering System On Playing incoming Messages Memo Record/Stop Skipping a Message Greeting Message Record/Stop Deleting a Message Answer System Off Stop Operation Help Guidance
If you press end before the answering system answers, the phone will return to standby mode. When the answering system does not answer within 6 seconds, you will hear a beep and the phone will return to standby mode. When you receive a call, remote operation is canceled.

I.C. Notice

TERMINAL EQUIPMENT
NOTICE: This equipment meets the applicable Industry Canada Terminal Equipment Technical Specifications. This is confirmed by the registration number. The abbreviation, IC, before the registration number signifies that registration was performed based on a Declaration of Conformity indicating that Industry Canada technical specifications were met. It does not imply that Industry Canada approved the equipment. NOTICE: The Ringer Equivalence Number (REN) for this terminal equipment is marked on the equipment itself. The REN assigned to each terminal equipment provides an indication of the maximum number of terminals allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the Ringer Equivalence Numbers of all the devices does not exceed five.

RADIO EQUIPMENT

The term IC: before the radio certification number only signifies that Industry Canada technical specifications were met. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Privacy of communications may not be ensured when using this telephone. THE FCC WANTS YOU TO KNOW Changes or modifications to this product not expressly approved by Uniden, or operation of this product in any way other than as detailed by the owner's manual, could void your authority to operate this product. Uniden works to reduce lead content in our PVC coated cords in our products and accessories. Warning! The cords on this product and/or accessories contain lead, a chemical known to the State of California to cause birth defects or other reproductive harm. Wash hands after handling.

One Year Limited Warranty
Important: Evidence of original purchase is required for warranty service. WARRANTOR: UNIDEN AMERICA CORPORATION (Uniden) ELEMENTS OF WARRANTY: Uniden warrants, for one year, to the original retail owner, this Uniden Product to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below. WARRANTY DURATION: This warranty to the original user shall terminate and be of no further effect 12 months after the date of original retail sale. The warranty is invalid if the Product is (A) damaged or not maintained as reasonable or necessary, (B) modified, altered, or used as part of any conversion kits, subassemblies, or any configurations not sold by Uniden, (C) improperly installed, (D) serviced or repaired by someone other than an authorized Uniden service center for a defect or malfunction covered by this warranty, (E) used in any conjunction with equipment or parts or as part of any system not manufactured by Uniden, or (F) installed or programmed by anyone other than as detailed by the owners manual for this product. STATEMENT OF REMEDY: In the event that the product does not conform to this warranty at any time while this warranty is in effect, warrantor will either repair or replace the defective unit and return it to you without charge for parts, service, or any other cost (except shipping and handling) incurred by warrantor or its representatives in connection with the performance of this warranty. Warrantor may replace the unit with a new or refurbished unit. THE LIMITED WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY PERTAINING TO THE PRODUCT AND IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE WHATSOEVER, WHETHER EXPRESSED, IMPLIED OR ARISING BY OPERATION OF LAW, INCLUDING, BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. THIS WARRANTY DOES NOT COVER OR PROVIDE FOR THE REIMBURSEMENT OR PAYMENT OF INCIDENTAL OR CONSEQUENTIAL DAMAGES. Some states do not allow this exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you. LEGAL REMEDIES: This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. This warranty is void outside the United States of America and Canada. PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY: If, after following the instructions in the owners manual you are certain that the Product is defective, pack the Product carefully (preferably in its original packaging). The Product should include all parts and accessories originally packaged with the Product. Include evidence of original purchase and a note describing the defect that has caused you to return it. The Product should be shipped freight prepaid, by traceable means, to warrantor at: Uniden America Corporation Parts and Service Division 4700 Amon Carter Blvd. Fort Worth, TX 76155 (800) 297-1023, 8 a.m. to 5 p.m. Central, Monday through Friday

May be covered under one or more of the following 4,523,058 4,595,795 4,797,916 5,381,460 5,491,745 5,493,605 5,533,010 5,574,727 5,660,269 5,661,780 5,663,981 5,671,248 5,732,355 5,754,407 5,758,289 5,768,345 5,801,466 5,825,161 5,864,619 5,893,034 5,929,598 5,930,720 5,960,358 5,987,330 6,125,277 6,253,088 6,314,278 6,418,209
U.S. patents: 5,426,690 5,581,598 5,696,471 5,787,356 5,912,968 6,044,281
5,434,905 5,650,790 5,717,312 5,794,152 5,915,227 6,070,082