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UX4750 7
Welcome
Thank you for choosing the advanced and compact UX4750
cellular phone, designed to operate with the latest digital
mobile communication technology, Code Division Multiple
Access (CDMA) and Advanced Mobile Phone Service
(AMPS). Along with the many advanced features of the
CDMA system, such as greatly enhanced voice clarity, this
phone offers:
● Large, easy-to-read, 7-line backlight LCD with status
icons.
● Paging, messaging, Voice Mail, and Caller ID.
● 18-key keypad.
● Speaker phone feature.
● Menu-driven interface with prompts for easy operation
and configuration.
● Any key answer, auto answer, auto retry, one-touch and
speed dialing with 99 memory locations.
● Bilingual (English and Spanish) capabilities.
● SpeedTalk
SM
function.
Important Information
This user’s guide provides important information on the use
and operation of your phone. Please read all the information
carefully prior to using the phone for the best performance
and to prevent any damage to or misuse of the phone. Any
unapproved changes or modifications will void your warranty.
FCC Part 15 Class B Compliance
This device and its accessories comply with part 15 of FCC
rules. Operation is subject to the following two conditions:
(1) This device and its accessories may not cause harmful
interference, and (2) this device and its accessories must
accept any interference received, including interference
that causes undesired operation.
Technical Details
The UX4750 is an all digital phone that operates on both
Code Division Multiple Access (CDMA) frequencies:
cellular services at 800 MHz and Personal Communication
Services (PCS) at 1.9 GHz. Also, the UX4750 works on
Advanced Mobile Phone Service (AMPS). We call it a tri-
mode phone. Since the phone operates on Cellular, PCS
and AMPS, the call fail rate is less than on a conventional
dual-mode or singlemode phone.
CDMA technology uses a feature called DSSS (Direct
Sequence Spread Spectrum) that enables the phone to
keep communication from being crossed and to use one
frequency channel by multiple users in the same specific
area. This results in a 10-fold capacity increase when