Uniden SMU250K, SMH250D User Manual

SMH250D/SMU250K

User’s Guide

WIRELESS CORPORATION

7100 Technology Drive
West Melbourne, FL 32904

©2000 RELM Wireless Corporation. All Rights Reserved

ULZZ01101ZZ

RELM WIRELESS CORPORATION
7100 Technology Drive
West Melbourne, FL 32904

Safety information

Through the provisions of the Occupational Safety and Health Act (OSHA) of 1970, the
United Status 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 service by a qualified technician.

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

©2000 RELM Wireless Corporation
All Rights Reserved

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Registration Card is returned, on the condition that other evidence,
satisfactory to Uniden, of the date of the original installation or
purchase is provided to the Warrantor.

Contents

Safety Information .......................................................................................... 2

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.

Introduction .................................................................................................... 4

Congratulations ........................................................................................ 4

Description ............................................................................................... 4

Service...................................................................................................... 4

Features .................................................................................................... 5

Programmable Features............................................................................ 5

Unpacking....................................................................................................... 6

Controls and Functions ................................................................................... 7

General Operation ......................................................................................... 8

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

Applying Power and Setting the Volume ................................................. 8

Channel Selection .................................................................................... 9

Transmit ................................................................................................... 9

Telephone Operation ............................................................................... 9

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

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

Priority Scan........................................................................................... 10

Modify the Channel Scan List with Channel Lock Out ......................... 10

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

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

Transmit Time Out Timer........................................................................ 11

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

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

Function Tones ....................................................................................... 13

Telephone Interconnect Functions ......................................................... 14

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Radio Installation Considerations................................................................. 15

Power Requirements .............................................................................. 15

Antenna .................................................................................................. 15

Mounting ................................................................................................ 15

Operational Check.................................................................................. 16

Accessories............................................................................................ 16

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

Two-year Limited Warranty.......................................................................... 17

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