Uniden SPH 255DT, SPU 554KT Operating Manual

SPH 255DT
SPU 554KT

Two-Way FM Transceiver

Operating Guide

RELM WIRELESS CORP.
7100 Technology Drive
West Melbourne, FL 32904

OMSPH255DT

7100 Technology Drive
West Melbourne, FL 32904

©2000 RELM Wireless Corporation. All Rights Reserved

OMSPH255DT

WIRELESS CORPORATION

Safety Information

Through the provisions of the Occupational Safety and
Health Act (OSHA) of 1970, the United States
Department of Labor has established an electromagnetic
safety standard which applies to the use of two-way radio
equipment. The proper use of this transceiver will result
in exposure below the OSHA limit.

The following precautions shall be observed:

■ DO NOT operate the transceiver of any radio

equipment with the antenna touching, or close to, the
eyes, faces, or exposed body parts.

■ DO NOT operate the transmitter of any radio

equipment unless all the Radio Frequency (RF)
connectors are secure and any open connectors are
properly terminated.

■ DO NOT operate the transmitter of any radio

equipment near electrical blasting caps or in an
explosive environment.

■ DO NOT let children operate any

transmitter-equipped radio equipment.

Have your radio equipment installed and serviced by a
qualified technician.

Rechargeable Nickel-Cadmium
Battery Pack Warning

This radio contains a Rechargeable
Nickel-Cadmium Battery Pack. Cadmium is a
chemical known to the State of California to cause
cancer. The Nickel-Cadmium Battery Pack
contained in this radio may explode if disposed of
in a fire.

Do not short circuit this Nickel-Cadmium Battery Pack.

Do not charge the Rechargeable Nickel-Cadmium
Battery Pack except with the recommended chargers.

Rechargeable Nickel-Cadmium Battery Packs
Must Be Recycled or Disposed of Properly!

Residents of Minnesota should contact
1-800-225-PRBA for information concerning
reclamation and disposal of Rechargeable
Nickel-Cadmium Battery Packs. Residents outside of
Minnesota should contact their local authorities for
information concerning reclamation and disposal of
Rechargeable Nickel-Cadmium Battery Packs.

Caution: RELM does not represent this radio to be
waterproof. Do not use the radio in damp or
high-moisture environments.

- 17-

Two-year Limited Warranty

WARRANTOR: RELM Wireless Corporation
(“RELM” or “Warrantor”).

ELEMENTS OF WARRANTY: RELM Wireless

Corporation warrants to the purchaser that all new Radio
equipment of RELM’s manufacture shall be free of
defects in material and workmanship. Equipment and
accessory items not manufactured by RELM carry the
standard warranty of the manufacturer thereof.

WARRANTY DURATION: The warranty period for all
parts is two (2) years. The warranty period shall
commence upon installation of the equipment or two (2)
months from the date of shipment from the factory,
whichever comes first.

The warranty shall terminate and be of no further effect
two (2) years from its origin or at the time the Product is
(a) damaged or not maintained as reasonable, (b)
modified, (c) improperly installed, (d) is repaired by
someone other than Warrantor or Authorized Warranty
Repair Station for a defect or malfunction covered by this
Warranty, or (e) used in a manner or purpose for which
the Product was not intended or in an environmental
condition for which the Product was not intended.

STATEMENT OF REMEDY: Where permitted by law,
this Warranty is in lieu of all other Warranties expressed
or implied, including warranties of merchantability or
fitness for a particular purpose, and no representative or
person is authorized to assume for us any other liability.
This warranty shall not extend to incidental or
consequential damages arising from operation of
Product(s) which are subject of this Warranty. Some
States do not allow limitation of implied warranties so the
above limitations may not be applicable. You may have
rights as defined by individual State law.

WARRANTY REGISTRATION CARD: In order to
facilitate the service under this Warranty, Purchaser
should return the Warranty Registration Card to
Warrantor. However, return of the Warranty Registration
Card is not a precondition of this Warranty. This
Warranty will be observed by the Warrantor whether or
not the Warranty Registration Card is returned, on the
condition that other evidence, satisfactory to RELM, of
the date of the original installation or purchase is
provided to the Warrantor.

PROCEDURE FOR OBTAINING PERFORMANCE OF
WARRANTY: To obtain warranty service, the Customer

must return the radio properly packed, freight prepaid, to
Warrantor or any Authorized Warrantor Repair Station. It
will be returned freight prepaid.

- 1 -

Table Of Contents

Introduction ............................................................. 2

Congratulations .................................................. 2

Description ......................................................... 2

Service ............................................................... 2

Features ............................................................. 2

Programmable Features ................................... 4

Unpacking ................................................................ 5

Getting Started ....................................................... 6

Charging the Battery .......................................... 6

Attaching/Removing the Battery ........................ 6

Installing the Antenna ........................................ 7

Attaching the Belt Clip ....................................... 7

Operation ................................................................. 8

LCD Display ....................................................... 8

TransmiVReceive Indicator ................................ 8

Applying Power and Setting the Volume............ 9

Changing Channels .......................................... 9

Receive ............................................................ 10

Channel Scan .................................................. 10

Dual Watch ...................................................... 10

Modify the Channel Scan List

with Channel Lock Out ...................................... 11

Drop Out Delay ................................................. 11

Transmit ............................................................11

Transmit During Scan ....................................... 11

Two-Tone Decode Operation ........................... 12

Transmit Time Out Timer ................................. 12

Busy Channel Lockout (BCLO) ........................ 12

A/B Key Functions ........................................... 12

DTMF Keypad Operation ................................. 13

Special Features ................................................... 14

BatterySave ..................................................... 14

Function Tones ................................................. 14

Using VOX ....................................................... 15

Optional Accessories &

Replacement Parts .......................................... 15

Technical Support and Service ........................ 16

Specifications ................................................... 16

Two-year Limited Warranty ........... inside back cover

- 16 -

Technical Support and Service

Your Uniden dealer can provide you with technical
assistance and infommation. If your radio does not
perfomm properly, take it to a Uniden dealer for
servicing. The radio contains no user-serviceable
parts. Unauthorized adjustment will void the warranty
and may cause illegal radio operation. Be sure that a
qualified technician services your radio equipment.
When servicing the radio, use only factory-authorized
replacement parts.

Specifications

Power .............Rechargeable Battery Pack (APX1115)

Temperature Range ........................... - 30°C to +60°C

Operating Frequencies

SPH 255DT ......................... 146 MHz to 174 MHz

SPU 5S4KT ........................438 MHz to 470 MHz

Nominal Dimensions

(with Battery) ............ 2.36" (W) x 1.77" (D) x 5.55" (H)

Weight (with Battery) ........................................ 1.08 lb.

Duty Cycle ..... 5, 5, 90 (TX, RX, STDBY)–8Hr Typical)