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
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)
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Table Of Contents
Introduction ............................................................. 2
Description ......................................................... 2
Service ............................................................... 2
Features ............................................................. 2
Unpacking ................................................................ 5
Operation ................................................................. 8
LCD Display ....................................................... 8
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
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