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Uniden UH-O53 - page 1
uniden @ Sundowner UH-O53 16-Channel Personal UHF 2-Way Radio Operating Manual ...
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Uniden UH-O53 - page 2
Please read carefully before operating this radio. Safety Information . 00 NOT operate the transmitter of any radio equipment with the antenna touching, or close to the eyes, face, or exposed body parts. . 00 NOT operate the transmitter of any radio equipment unless all the Radio Frequency (RF) connectors are secure and any open connectors are prop ...
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Uniden UH-O53 - page 3
Table of Contents Introduction... 2 Warning! 2 Feature Highlights 3 Unpacking 3 Optional Accessories 3 Controls and Indicators 4 Getting Started 5 Charging the Battery 5 Mounting the Antenna. .. .. .... 6 Installing the Belt Clip 6 Operation 7 Simplex/Duplex Communication... 7 low Battery level Detection 8 Care and Maintenance 8 Replacingthe Rechar ...
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Uniden UH-O53 - page 4
Introduction Congratulations on your purchase of the Sundowner UH-O53. This 16-channel personal UHF-CB 2-way radio represents a great value in professional portable communications. You'll find that it provides reliable, consistent performance for short-distance 2-way personal communications. The Sundowner UH-O53 is designed to operate in simpl ...
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Uniden UH-O53 - page 5
Feature Hi~hts . One - Watt Power - Reliable short range 2 - way communication. . Simplex/Duplex - Communication - Allows the UH-oS3 to operate via a repeater station. . 16 - Channel Capability - Uses any of the first 16 Channels of the UHF CB Band. . LED Message Indicators - instantly see when the radio is transmitting, the channel is busy, or the ...
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Uniden UH-O53 - page 6
Controls and Indicators On-Off / Volume Control - Use to turn the radio on or off, and to adjust the volume level. Squelch Control - Use to eliminate background noise (the "rushing" sound) heard between transmissions. Channel Selector - Rotate this knob to select the desired channel. Simplex/Duplex Switch - Selects Simplex or Duplex. Comm ...
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Uniden UH-O53 - page 7
TXlBATT. LO INDICATOR 1Dden" """""""""'" '" '" 00 ~.;' .;' I BUILT-IN '" 0000 0 '" 1 SPEAKER "'00000'" '" 00000 '" BUILT-IN '" '" 0 0 0 "' ti MICROPHONE l::J". .~ ~ ...
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Uniden UH-O53 - page 8
To charge the nickel-cadmium battery: Using the AC Adaptor/Charger 1. Plug the AC adaptor/Charger into the Charging Jack located on top of the unit. WARNING! Use only the supplied AC Adaptor/Charger. Any other AC Adaptor or external power plug having over-voltage or reversed polarity can cause overheating or damage to the circuitry. 2. Plug the cha ...
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Uniden UH-O53 - page 9
Qperation Note: Before operating the UH-oS3 for the first time, make sure you have fully charged the battery. 1. Turn the UH-oS3 on by rotating the On-OffNolume Control clockwise until you hear a click. 2. Adjust the Volume Control to a comfortable level. 3. Turn the Squelch Control fully counter- clockwise. You will hear background noise, and the ...
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Uniden UH-O53 - page 10
Low Battery Level Detection Uniden Sundowner UH-oS3 has a built-in battery level detector circuit. It evaluates your Battery Pack everytime you transmit to determine whether the power inside the Battery is still sufficient enough to support normal Receive and Transmit communications. When the PTT switch is pressed and the TX LED blinks. It means th ...
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Uniden UH-O53 - page 11
Troubleshooting Service If your radio does not work properly, or if service is necessary, contact your local Uniden dealer or retum the product in its original carton. If you are shipping the item, enclose a description of the problem along with a copy of the original purchase receipt. Send the product to the address listed in the Warranty (at the ...
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Uniden UH-O53 - page 12
UHF CB CHANNEL INFORMATION Operating Mode Note: From Channel 9 to 16, irregardless of SIMPLEx/DUPLEX Switch setting, the transmit and receive frequency is the same. 10 UH-O53 SIMPLEX DUPLEX CH RX TX RX TX (MHz) (MHz) (MHz) (MHz) 1 476.425 476.425 476.425 477.175 2 476.450 476.450 476.450 477.200 3 476.475 476.475 476.475 477.225 4 476.500 476.500 4 ...
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Uniden UH-O53 - page 13
S~ecifications General Channel: 16 (PLL) Frequency Range: Simplex 476.425 MHz to 476.800 MHz Duplex (TX) 477.175 MHz to 477.350 MHz U H-O53 11 Antenna Connector: TNC type Size: 150 mm(H) x 41 mm(D) x 63 mm(W) Weight: 410 g Speaker: 16Q, O.4W max Microphone: Built-in Electret type Approvals: SMAS250 Transmitter Frequency ::!:500Hz (nominal) Toleranc ...
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Uniden UH-O53 - page 14
Receiver 12 dB SINAD Sensitivity: Squelch Sensitivity Threshold: Tight: Audio Frequency Response (1 kHz REF) 500 Hz: 2000 Hz: Adjacent Channel Selectivity (:!:25 kHz) Image Rejection (1st & 2nd): 40 dB Hum & Noise Ratio 38 dB THD at Standard Output Power: 3 % Audio Output Power at 10% THD: 0.25 W Maximum Audio Output Power: Oscillator Dropo ...
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Uniden UH-O53 - page 15
WARRANTY Uniden Sundowner UH-o53 16-Channel Personal UHF 2-Way Radio Australian 1 Year Warranty Note: Please keep your sales docket as it provides evidence of warranty. WARRANTOR: Uniden Australia Pty. Umited ACN 001 865498 ELEMENTS OF WARRANTY: Uniden warrants to the original retail owner for the duration of this warranty, its Sundowner UH- 053 16 ...
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Uniden UH-O53 - page 16
'f- I I i I I +., unidE!n @ UTZZO I 859ZZ Printed in Philippines -J.. - -' ...
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