Uniden UH8050S User manual

UH8050S
UHF CB Transceiver
For more exciting new products please visit our website:
Australia: www.uniden.com.au
New Zealand: www.uniden.co.nz

Introduction 4
Controls & Connectors 5
Indicators 8
Included with your UH8050S 9
Optional Accessories 10
DIN Installation 11
Connecting the Microphone 13
Mounting the MIC Hanger 14
Operation 16
Turning on the Power 16
Setting the Volume 16
Setting the Manual Squelch 17
Setting the Auto Squelch 17
Selecting a Channel 19
Channel Banks - Using the POLICE button 19
Programming the Instant Priority Channel 20
Recalling the Instant Channel 20
Transmitting 20
CTCSS (Continuous Tone Coded Squelch System) 21
DCS (Digital Coded Squelch) 21
Call Tone Function (Wake Up Tones) 22
DUAL Watch 22
Using Repeater Channels 23
Operating the UHF CB Radio in Duplex Mode 24
Scanning 24
Add/Remove Channels from SCAN Memory 25
Master Scan Mode 25
Open Scan (OS) Mode 27
Group Scan (GS) Mode 28
Priority Watch 29
Selecting the Call Tone (Wake Up Tone) 29
Busy Channel Lockout 30
Roger Beep 30
Key Beep On/Off 31
Alpha Tag 31
Volume Sync 32
Backlight Colour 33
Backlight Level 33
LCD Contrast 33
Operation - Special Features 34
100 User Programmable RX Channels 34
Manually Programme a RX Channel 34
Store a Police/Fire frequency to a RX Channel 35
Contents
2
UNIDEN UH8050S UHF CB Transceiver

Store a frequency found using CLOSE CALL to a RX Channel 35
Instant Replay 36
Turning Instant Replay On/Off 36
Close Call RF Capture 37
Using Close Call 38
Selective Calling 39
Programming the Selcall ID for your UH8050S 40
Storing Selcall IDs of other users to the ID Memory 40
Tone Calling (Making a Selcall Call) 41
Receiver Quiet (TSQ) Mode 41
To Activate/Deavtivate Tone Squelch (TSQ) on a Channel 42
Receiving a Selcall 42
Scanning Tone Squlched Channels 43
Group Calling 44
Selcall ID Format 44
Selcall Settings 45
Tone Period 45
Lead-in Delay 45
Lead-in Delay Programming 46
Lead-in Tone 46
Alarm mode 47
Call Alarm Continue Mode 47
Group Call Mode 47
SELCALL Tone Frequency List 48
CTCSS Codes Table 48
DCS Codes Table 49
UHF CB Channel Guidelines 50
UHF CB Channels & Frequencies 51
Warranty 53
Contents
3
UNIDEN UH8050S UHF CB Transceiver

Introduction
4
UNIDEN UH8050S UHF CB Transceiver
The Uniden UH8050S is designed to provide you with years of trouble free service. Its
rugged components and materials are capable of withstanding harsh environments.
Please read this Operating Manual carefully to ensure you gain the optimum
performance of the unit.
NOTE
The citizen band radio service is licenced in Australia by ACMA
Radio-communications (Citizen Band Radio Stations) Class Licence
and in New Zealand by MBIE General User Licence for Citizen Band
Radio and operation is subject to conditions contained in those licenses.
Features
• UHF-CBNarrowBand(NB)
Transceiver Radio1
• 80Channel
• 5WTransmissionPower
• Built-inAVSCircuitry3
• DuplexCapability1
• Built-inSelectiveCalling(SELCALL)
Feature with Alpha Tag
• RogerBeepFunctionOn/Off
• 10DifferentCallTones
Special Features
• 100ExtraUserProgrammable
Receive Only Channels with Apha Tag²
• Pre-ProgrammedPolice,Fire&
Ambulance Frequencies2
• InstantReplayofRecentReceived
Signals
• CloseCallTM RF Capture Feature²
Control Features
• OptionalRemoteLCDSpeaker
Microphone (Remote SPK/MIC) with
Extension Cable
• LCDDisplaywith7BacklightColours
• LCDBrightness&Contrastcontrol
• MobileDINSizewithDINSleeveand
Removable Bracket
• +12Vto+24VDCPowerInput
• Underandovervoltagealertfunction
• SignalStrength/PowerMeter
• VolumeControl
• ExternalSpeakerJack
• PowerOn/OffPushSwitch
• FrontandRearMICJacksfor
increased mounting options
• VariableSquelchLeveladjustorAuto
Squelch with optional Remote SPK/
MIC
Channel Features
• ChannelSelect
• InstantChannelProgramming
• OnetouchInstantChannelrecalling
• DualWatchwithInstantChannel
• GroupScanandPriorityChannel
Watch
• OpenScan
• MASTERScan
• ScanChannelMemoryOn/Off
separatelywithOpenScan,GroupScan
• BusyChannelLock-outFunction
• 38Built-inCTCSS(ContinuousTone
Coded Squelch System) codes
• 104additionalDCS(DigitalCoded
Squelch) codes that are user
selectable
1Refer to p.51 - p.52 for channel
information
2 Availablefrequencies&channels
are within 400-520MHz Band only
in12.5kHzsteps.Police,Fire&
Ambulance reception is unencrypted
analogue.
3AVS - Automatic Volume Stabilizer
detects and manages incoming
audio to comparable levels.

Controls & Connectors
5
UNIDEN UH8050S UHF CB Transceiver
UH8050S Base Front View
23456 7 8
1
10
9
1 Rotary CHANNEL Selector
2 SQ - Rotary Squelch control
3 MENU/ENTER - Menu and Select button
- Move Selection Left
4 HOLD/DUAL- Hold and Dual watch button
5 CLOSE CALL/T.SQ - Close Call and Tone
Squelch Channel
11
12 13 14
6 SCAN/MEM - Scan and Memory button
7 POLICE/DCS/CTCSS - Police/CB/Fire
Button. DCS and CTCSS Tone button
8 REPLAY - Replay Function button
- Move selection right
9MIC-FrontMicrophoneJack
10 VOL/PWR - Rotary Volume Control
Power On/Off Push control
Controls and Connectors
Connectors
11 Power Input Connection
12RearMICJack
13ExternalSpeakerJack
14 UHF Antenna Connection
UH8050S Base Rear View

15 16
17
18
19
20
Heavy Duty Mic
15 CALL/SELCALL -
Call Tone Button
Selective Calling Button
16 INST - Instant Channel Button
17 PTT - Push To Talk Button
18 MICROPHONE
19RJ45typeplug
20FrontMICJackCover
Controls and Connectors
6
UNIDEN UH8050S UHF CB Transceiver
Controls & Connectors

38
39
21
23
24
25
26
27
28
29
31
32
33
34
35
36
37
30
22
Remote LCD Speaker MIC (Optional)
7
UNIDEN UH8050S UHF CB Transceiver
21 CALL/SELCALL -
Call Tone Button
Selective Calling Button
22 INST - Instant Channel Button
23 PTT - Push To Talk button
24 HOLD/DUAL - Hold and Dual Watch
Button
25 CLOSE CALL/T.SQ -
Close Call and
Tone Squelch Button
26 POWER - Power Button
27 MENU/ENTER - Menu and
Select Buttton
- Move Selection Left
28 MICROPHONE
29 SPEAKER
30 Liquid Crystal Display (LCD)
31 VOL - Volume Up Button
32 VOL - Volume Down Button
33 POLICE - Police/CB/Fire Button
/DCS/CTCSS-DCS&CTCSSButton
34 SCAN/MEM - Scan and Memory Button
35 SQL - Squelch Button
36 REPLAY - Replay Button
- Move selection right
37 / - Select Up and Down
Buttons
38RJ45typeplug
39FrontMICJackCover
Controls and Connectors
Controls & Connectors

Indicators
8
UNIDEN UH8050S UHF CB Transceiver
11111111111111 111111
1111111111111111 1111111
111111111111111111 11111111
11111111111111111111 111111111
11111111111111111111 1111111111
1111111 1111111 11111111111
111111 111111 11111111111
111111 111111 111111
111111 111111 111111
111111 1111111 111111
111111 1111111 111111
111111 11111111 111111
111111 111111111 111111
111111 111111111 111111
111111 111 111111 111111
111111 1111 111111 111111
111111 111 111111 111111 111 111111 111
111111 111 111111 111111 1111 11111111 1111
111111 1111 111111 111111 11111 1111 1111 1111
111111 111 111111 111111 111 111 111 11111
111111111 111111 111111 111 111 1111 11111
111111111 111111 111111 111 111 1111 111111
11111111 111111 111111 111 111 11111 111 111
1111111 111111 111111 111 111 11111 111 111
1111111 111111 111111 111 111 11 111 111 111
111111 111111 111111 111 111 11 111 111 111
111111 111111 111111 111 11111 111 111 111
111111 111111 111111 111 11111 111 1111111111
1111111 1111111 111111 111 1111 111 1111111111
11111111111111111111 1111111111111111 111 1111 111 111
11111111111111111111 1111111111111111 111 111 111 111
111111111111111111 1111111111111111 111 1111 1111 111
1111111111111111 1111111111111111 1111111 11111111 111
11111111111111 1111111111111111 1111111 111111 111
11 1111111 11111 11 11111 1111111 11111
111 1111111 1111111 111 1111111 1111111 1111111
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
11 11 11 11 11 11 11 111111 11 111
11 11 11 111111 11 11 11 1111111 11 1 11
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1111111 11 11 11 1111111 11 11 11 1 11
1111111 11 11 11 1111111 11 11 111 11
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
11 11 1111111 11 11 1111111 1111111 1111111
11 11 11111 11 11 1111111 11111 11111
22
23
21
20
16 18
17 19
134578
6
2
9
10
11
12
13
14
15
1 TX/BUSY - Transmit/Busy
2 CALL/CAL - Call Tone Transmit/
Selcall Transmit
3 POL - Police Bank
4CB-UHFCB+ExtraRX  
Channel Bank
5 FIRE-Fire(+Ambulance)Bank
6 M- Channel in Memory
7 - Replay Function is enabled
8 C-C - Close Call mode
9 MON/SQT - Flashing: Monitor/
Tight Squelch
10 INST - Instant Channel
11 DUAL/HOLD - Dual Watch/Hold
12 SCAN - Scan mode
13 Signal Power Level
14 GS - Group/MASTER Scan
15 S/RF- Receive Signal or Transmit
16 PRI - Priority Channel Watch
17 UHF-CB Channel
18 Channel Frequency/Alpha Tag display
19 BCL - Busy Channel Lockout
20 DUP/LIST - Duplex Channel/ Close
Call lockout list
21 DCS/CTCSS - DCS/CTCSS selected
22 DCS/CTCSS Code Number/Extra RX
Channel Indicator
23 TSQ - Tone Squelch enabled

9
UNIDEN UH8050S UHF CB Transceiver
Included with your UH8050S Transceiver
Heavy Duty Mic (MK850) Owner’s Manual Microphone Hanger with
screws,washers
DC Power Cord
with fuse
UH8050S
UHF CB Transceiver
For more exciting new products please visit our website:
Australia: www.uniden.com.au
New Zealand: www.uniden.co.nz
Adaptor Cable
DinMountSleeve,
RemovableBracket&
Screws
Mounting Bracket
Mounting Screws
Washer Starts and Screws

Optional Accessories
10
UNIDEN UH8050S UHF CB Transceiver
UHF Antenna - AT-870
External Speaker (MS100)
Remote LCD Speaker
Microphone
(RM880)
DECT Wireless
Speaker Microphone
(MK800W)
Extension Cable
(EC 770)

11
UNIDEN UH8050S UHF CB Transceiver
DIN Installation
Mounting Using the DIN Bracket
If you are unsure about how to install your UH8050S in your vehicle using the DIN
bracket,consultyourautomobilemanufacturer,dealer,oraqualiedinstaller.TheDIN
bracket is made up of a sleeve and a frame.
Beforeinstalling,conrmthatyourUH8050Stsinthedesiredmountingareaandyou
have all the necessary materials to complete the task.

DIN Installation
12
UNIDEN UH8050S UHF CB Transceiver
Installing the DIN Bracket
1. Remove the 4 front mounting screws to separate the front frame from the DIN
sleeve.
2. Install the DIN sleeve into the DIN slot of your dashboard and secure it by bending
the top and bottom folding tabs.
3. Slide UH8050S into the front frame. Ensure the threaded holes on UH8050S line up
with holes on the front frame.
4. Secure UH8050S onto the front frame using 4 pieces of 6mm screws.
5.AttachtheDCpowerleadstoUH8050Sandyourvehicle.REDgoestoapositive(+)
connection on your fuse block while BLACK connects to the vehicle chassis ground
(-).
6.Attachtheantennacable,rearMICandrearspeakertothebackofUH8050Sif
using.
7. Make sure all the connections are routed away from any potentially pinching or
slicing sheet metal.
8. Slide the front frame (with UH8050S attached and all cable connections done) back
into the DIN sleeve and secure it using 4 front mounting screws.
NOTE
IfyouplantousetheRearMICJackorconnectanexternalspeaker
atalatertime,expecttoremovetheunitforeaseofmakingthose
connections.

Connecting the Microphone
Front MIC Jack
Push the MIC plug at the end of the microphone into the MIC jack until the connection
locks into place. Gently tug the MIC cord to test that the connection is locked. Use the
FrontMICJackcoverwhichisthreadedontotheMICcordtosealtheMICjackentry
from dust.
Disconnecting the MIC from the Front MIC Jack
Pullawaythethreadedrubbercollarandmoveitdownalongthecord.Usingtheat
blade of a screwdriver or similar object carefully press the lock tab at the bottom of the
MIC plug and push it upwards. At the same time tug on the MIC cord to draw back the
MIC plug.
Rear MIC Jack
UsetheRearMICJackifthemainbaseismountedwhereafrontMICconnectionis
intrusive or if you wish to use the Remote LCD Speaker MIC with an optional extension
cable.
Peel the dust cover from the rear MIC jack. Push the MIC plug at the end of the
microphone into the MIC jack until the connection locks into place. An optional 2m
extension cable kit is available to enable mounting the main base in a hidden location.
13
UNIDEN UH8050S UHF CB Transceiver
NOTE
The unit will not function if connected to two Remote LCD Microphones
(optional RM880) at the same time.

Mounting the MIC Hanger
14
UNIDEN UH8050S UHF CB Transceiver
Conventional Mounting with Double Sided Tape
(not supplied)
High quality Double-Sided tape can be found at good retail stores.
Secure the front and back pieces of the MIC Hanger using the supplied binding screws.
Locate a suitable mounting position.
ApplyhighqualityDouble-SidedtapeontotheatareaoftheMICHanger
backpieceandthenpressrmlytothemountingposition.
The Microphone Hanger comes in two parts. How and where you mount the MIC
hanger will determine which parts to use.
Conventional Mounting with Screws
Use the front part of the MIC Hanger only.
Locate a suitable mounting position and mark and drill two 3mm holes.
Fix the MIC Hanger into place with screws.

Mounting the MIC Hanger for Optional Remote SPK/MIC
15
UNIDEN UH8050S UHF CB Transceiver
MIC Hanger mounted over MIC Cable
NOTE
The curly cord of the Remote LCD Speaker MIC can extend up to 2m.
For practical installation of the MIC Hanger mounted over MIC Cable use
this method with the Extension Cable.
The plug of the extension cable connects to the Radio. The socket end of the extension
cable connects with the microphone plug.
1. The rubber collar (dust cover) on the microphone cable is not required and can be
cut away or pushed out of the way along the cable.
2. Drill a 13mm hole at the MIC hanger location.
3. Thread the microphone plug through the hole and connect with the extension cable.
4. Mount the MIC Hanger over the hole and cable.
5.AttheRadio:ConnecttheextensioncableplugtotheMICJack.Fittherubber
bushing over the MIC jack.
Microphone
Radio
Extension Cable
2
1
5
4
3
Microphone

Turning on the Power
Press and hold VOL/PWR control at the base
or the [POWER] button on the optional
Remote SPK/MIC.
NOTE
Low-Voltage/High-Voltage Alert
The UH8050S can operate on 12VDC (13.8V) or 24VDC (27.6V) power
supply,withtherangebetween10.2VDCto28.8VDC.
Ifthepowersupplyvoltageexceeds28.8VDC,analerttonesoundsand
HI DCashesfor5seconds.Thepowersourcemustnotexceed32VDC
otherwisepermanentdamagemayoccurtoyourradio,whichmaynotbe
covered by the manufacturer’s warranty.
Iftheinputvoltagefallsbelow10.2VDC,LO DCashesfor5seconds.The
power turns off automatically if voltage falls below 9.0VDC.
SwitchyourUH8050SOFFanddisconnectitfromthepowersource,before
locating the cause of the power supply problem.
Operation
16
UNIDEN UH8050S UHF CB Transceiver
Setting the Volume
Turn the volume control at the base or press the volume on the side of the
optional Remote SPK/MIC to adjust the volume. The base volume is composed of 42
steps and the optional Remote SPK/MIC is 7 steps.
See Volume Sync on page 32 to synchronize the volume control when the optional
Remote SPK/MIC is connected.

Setting the Auto Squelch Level
The Auto Squelch feature is available only when
the optional Remote SPK/MIC is connected. It has
an Off setting and 5 preset squelch levels:
SQL-4 - minimum sensitivity (max/tight squelch)
SQL-3 - medium sensitivity
SQL-2 - moderate sensitivity
SQL-1 - max sensitivity (min squelch)
SQL-0 - Squelch open (monitor)
SQL- OFF
(SQ Volume on the BASE can be activated)
1. Press [SQL].Thesquelchsettingashes.
2. Press / on the optional Remote SPK/MIC to change the setting.
Operation
17
UNIDEN UH8050S UHF CB Transceiver
Setting the Manual Squelch
Turn the outer ring of the SQ control at the base to adjust the Squelch.
NOTE
You must select a channel which is not in use before setting the
SQUELCH control. (see p.19 for “Selecting a Channel”).
Think of the squelch con-
trol as a gate. If you turn
Squelch fully clockwise it
raises the‘Squelch gate’
so high that no signals get
through.
If you turn Squelch fully
counter clockwise it low-
ers the ‘Squelch gate’
so low that noise gets
through.
To set the ‘Squelch Gate’
tothedesiredlevel,
turn the squelch knob
counterclockwise until you
hear noise. Then care-
fully turn the Squelch knob
clockwise until the noise
fades. Now only strong
signals get through.

NOTE
•IfSQL-0(squelchopen)isselectedthenMON(monitor)iconashes.
•IfSQL-4(tightsquelch)isselectedthenSQTiconashes.
•Selectingtightsquelchmodemaypreventthereceptionofweak
signals.
•Highnoiseareasmaystillbreakthesquelch.
3. Press [SQL] to store the setting.
18
UNIDEN UH8050S UHF CB Transceiver
Operation

Selecting a Channel
Turn the Rotary Channel Selector at the base or
press / on the optional Remote SPK/MIC
to select the desired channel.
Channel Banks - Using the POLICE Button
The UH8050S has three banks (groups) of channels to select from;
CB  UHFCB+UserprogrammableRXchannels¹
POL Pre-programmed Police frequencies²
FIRE Pre-programmedFire&Ambulancefrequencies²
When the CB icon is showing the 80 UHF-CB and any user programmed RX channels
will be available for selection or scanning. The 80 UHF-CB channels are numbered 01-
80.TheuserprogrammableRXchannelsarenumbered81-180andonlyshow,inthe
DCS/CTCSScodearea,whenprogrammed.
When the POL icon is showing then pre-programmed police frequencies will be
available. When the FIREiconisshowingthenpre-programmedre&ambulance
frequencieswillbeavailable.Thepolice,re&ambulancefrequenciesdonothave
channelnumbers,insteadPO appears in the channel display for a police frequency
and FIappearsforareorambulancefrequency.
1. Press [POLICE] to select the desired channel bank(s) combination.
The channel banks can be selected as follows;
---- CB ----
POL ---- ----
---- ---- FIRE
POL ---- FIRE
POL CB ----
---- CB FIRE
POL CB FIRE
Operation
19
UNIDEN UH8050S UHF CB Transceiver

NOTE
¹Availablefrequencies&channelsarewithin400-520MHzBandonly
in 12.5kHz steps.
²Police,Fire&Ambulancereceptionisunencryptedanalogue.
Foryourreferencealistoftheavailablechannels,corresponding
frequencies and guidelines for their use is printed on p.51 - p.52. For
Australia,Channels05and35arereservedforEmergencyCalls.
Operation
Programming the Instant Priority Channel
Turn the Rotary Channel Selector at the base to select
the Priority Channel you prefer.
Press and hold [INST] for 2 seconds to store the
new setting. INST icon appears to designate the
Instant channel.
Recalling the Instant Channel
Momentarily press [INST] to return to
the Instant Channel. Press [INST] again to
return to the previous channel.
Transmitting
The UH8050S transmits only on UHF-CB Channels.
NOTE
Foryourreferencealistoftheavailablechannels,corresponding
frequencies and guidelines for their use and selection is printed on p.51
-p.52.ForAustralia,Channels05and35arereservedforEmergency
Calls.
Select the desired channel. Press [PTT] on the side of the Heavy Duty MIC and speak
normally into the microphone. Hold it approx. 7cm from your mouth. Release [PTT] to
end the transmission and listen for a reply.
PTT
CALL/SELCALL INST
20
UNIDEN UH8050S UHF CB Transceiver