UH-048XR
Operating
Guide
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CONTENTS
Introduction
Features
1
2
3
Technical Support & Service
Included in your UH-048XR Package
Getting Started
Battery Installation
Low Battery Alert
Belt Clip
4
5
5
6
Wrist Strap
Operation
Power on/off
Volume
7
7
Selecting Channel
8
To Transmit and Receive
To Operate in Dual-Watch
Scanning
Continuous Tone Coded Squelch (CTCSS)
CTCSS Tone Display
Voice Activated (VOX)
VOX Recovery Time
Auto Keylock
Call Melody
Monitor
Battery Level Display
Battery Charge
8
9
10
11
12
13
13
14
15
16
17
18
19
20
20
21
23
25
UHF Channels and Frequencies
CTCSS Codes and Frequencies
Optional Accessories
Technical Specifications
Warranty
Controls & Indicators
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INTRODUCTION
The UH-048XR is a portable two-way UHF-CB radio.
It is compact, rugged and fits easily in your hand.
This hand held UHF radio will give you consistent,
outstanding performance in virtually all conditions
and situations. To ensure that you get the most from
the UH-048XR’s features, please read this operating
guide carefully before using the unit.
FEATURES
➤ 40 Channels
➤ 38 Built-in Continuous Tone Coded
Squelch System (CTCSS)
➤ 500mW Output Power
➤ Up to 3 km range*
➤ LCD Display
➤ Scan
➤ Monitor
➤ LCD Back Light (Auto On for 5 Sec)
➤ Auto Power Save
➤ Battery Level Indicator
➤ Built in Keypad Lock
➤ Key Lock On/Off
➤ Key Touch Tone On/Off
➤ 7 Different Ring Tones
➤ Auto Squelch Control
* Range varies depending on the environment 3km range is
noted in a flat open environment.
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TECHNICAL SUPPORT AND SERVICE
Should you find it desirable or necessary to service
your UH-048XR, we suggest you contact the Uniden
dealer where you purchased your radio. Your dealer
will be able to assist you with the complete service
information.
If you require service that is within the terms of your
warranty, you should present a copy of your receipt to
your dealer to authenticate your claim.
If you find it inconvenient to obtain service assistance
from a dealer, please pack your radio in a suitable
packaging that will provide adequate protection to
your radio. Enclose a note describing the problem, a
copy of your receipt, and send it prepaid to:
AUSTRALIA:
NEW ZEALAND:
Uniden Australia Pty Ltd
Customer Service Division
345 Princes Highway
Rockdale NSW 2216
Uniden New Zealand Ltd
Customer Service Division
150 Harris Road
East Tamaki, Auckland
Ph.
Fax.
(02) 9599-3577
(02) 9599-3278
Ph.
Fax.
(9) 273 8383
(9) 274 4253
Toll Free 1300 366 895
Toll Free 0800 4 UNIDEN
4 864336
Caution: Changes or modifications to this product not
expressly approved by Uniden; or operation of this product in
any way other than as detailed by this Operating Guide, can
void your warranty and authority to operate this product.
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INCLUDED IN YOUR UH-048XR PACKAGE
UH-048XR
AC Adaptor
Wrist Strap
Belt Clip
Desk Top
Charger
Operating Guide
Product Registration
Card & other printed
materials
Note: If any of these items are missing from the box, contact
your Uniden Dealer.
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GETTING STARTED
BATTERY INSTALLATION
Your UH048XR radio uses 4 AAA batteries (not
supplied) for power.
Please refer to page 14 should you wish to use
rechargeable batteries.
Do not mix old and new batteries
for optimum performance.
To install the
batteries:
1. Make sure your radio is
off.
2. Press battery cover
release. Slide cover off.
3. Insert 4 AAA batteries
(not supplied) according
to the polarity symbols
inside the battery
compartment.
4. Slide the battery cover
forward until it snaps
into place.
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LOW BATTERY ALERT
The LCD on your radio
shows a battery meter
in the upper right
corner.
indicates a fully powered unit. As the batteries lose
power, will flash.
icon
When the batteries in the unit are low replace the
batteries immediately to continue using the radio.
BELT CLIP
Because you will
probably use your radio
when you are out and
about, the unit comes
equipped with a belt clip to
securely fasten the unit to your
belt, pocket or bag.
To attach the belt clip:
Slide the belt clip until it snaps into
place.
To remove the belt clip:
To remove the belt clip. Press and hold belt clip
locker, slide the belt clip at the same time until
released.
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WRIST STRAP
1. Insert the short end of the strap through the belt
clip hole in the top of the belt clip.
2. Slip the long end through the loop to enclose the
clip in the strap and pull tight.
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OPERATION
➤ When you press any key (except PTT), a short
tone sounds.
➤ See the Controls and Indicators page at the back
of this operating guide for button and key
operations.
Function
POWER ON/OFF
Press and hold
Monitor
Power/Enter
[Power/Enter] button
until a melody is heard.
UH048
A channel number and
battery level should appear on the display.
To turn the unit OFF, press and hold [Power/Enter]
button until a melody is heard.
VOLUME
Function
1. Press the [Monitor]
button to hear
background noise.
Monitor
Power/Enter
The “monitor” icon
UH048
will appear on
the display.
2. Press the [➤] or [➤]
to set the volume
level. There are 8
level volume
settings.
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SELECTING CHANNEL
Function
1. Press [Function] until
“
” appears in the
Monitor
Power/Enter
large display. The current
channel flashes.
2. Press [➤] or [➤]
to select the desired
channel
3. Press [
] to
confirm your selection, otherwise, the radio will
automatically return to standby and the new channel
will be displayed.
Note: If you press and hold the [➤] or [➤], channel numbers
will scroll rapidly.
Note: If a step is not completed within 5 Secs., the UH048XR
will automatically return to standby. Thus, you have to
start again from the first step.
TO TRANSMIT AND RECEIVE
The UH-048XR uses the 40 UHF-CB Channels. For
your reference a list of the available channels and
corresponding frequencies is printed at the end of this
manual.
1. The maximum RF transmit power of UH-048XR
is 500 mWatts.
2. Before you transmit, listen for activity on the
selected channel.
3. When the channel is clear, press and hold the
[PTT] to transmit.
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The TX indicators
and
appear on
the LCD.
PTT
Switch
Hold the radio with
microphone approximately
two inches in front of your
mouth with the antenna at
approximately 45˚ angle
Function
away from your head. Speak in a clear, normal conversational voice.
4. When you have
finished speaking,
release the [PTT] and
listen for a response.
TX indicators will then disappear on the LCD.
The display shows
and
when a
transmission is being received by your radio.
TO OPERATE IN DUAL-WATCH MODE
This feature allows you to monitor two different
channels at the same time. If you pre-set any channel
by this function, other than the current channel in
use, the pre-set channel will be scanned every 0.5
seconds (together with the current channel) for any
transmission.
Function
Press [Function] button
Monitor
Power/Enter
repeatedly until [
]
appears in the large display and the dual-watch icon
]flashes.
[
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Press [➤] or [➤] to
select the additional
channel you wish to
monitor. Press [
] to
confirm your selection and to activate dual-watch
mode. Otherwise, the selected channel is automatically
accepted if no key is pressed after 5 Secs.
Note: Pressing [Function] will stop Dual-Watch Mode
operation.
SCANNING
This feature allows you to scan for an active channel
and communicate with the party transmitting.
1. Press [Function] button until
large display and the auto channel scan icon
] flashes.
appears in the
[
2. Press [➤] or [➤] to
select up or down.
Note: [➤] means scanning
goes from lower to
higher channel,
to lower channel.
[➤] means scanning goes from higher
3. Press [
] to confirm your selection and to
activate the scan mode. Otherwise the status
selected is automatically accepted if no key is
pressed after 5 Secs.
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CONTINUOUS TONE CODED SQUELCH
SYSTEM (CTCSS)
CTCSS is a feature that allows a group to talk to each
other without hearing other users on the same
channel.
NOTE : Uniden discourages the use of CTCSS feature until the
Australian Communications Authority (ACA) grants the
use of CTCSS on CB frequencies.
Programming CTCSS Code
1. Press [Function] button repeatedly until “[
]”
appears in the large display.
2. Press [➤] or [➤] to
select the desired
code.
3. Press [ ] to confirm your selection. Otherwise,
the code selected is automatically accepted if no
key is pressed after 5 Secs.
Setting CTCSS to “OFF” allows the radio to receive all
transmissions on the selected channel regardless of
CTCSS tone.
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On the example below only radio 1 and 9 can
communicate or hear each other because they are
using the same or common CTCSS code.
CH1
Code 1
CODE 1
CH1
Code 1
CH1
Code 7
CH1
No CTCSS Code
CTCSS Tone Display
This feature allows you to select the preferred display
format for the CTCSS code setting. If frequency
was chosen, then the display in the CTCSS will be
shown as frequency. However, if the number
was
chosen, then the code number will be displayed in
CTCSS function.
1. Press [Function] button
until
appears in
the large display.
2. Press [➤] or [➤] to
change the format.
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3. Press [
] to confirm your selection. Otherwise,
the displayed state is automatically accepted if no
key is pressed after 5 Secs.
VOICE ACTIVATED (VOX)
VOX feature enables user to transmit automatically by
speaking on the microphone without pressing the
PTT switch.
To activate VOX:
1. Press [Function] button until “[
]” appears in
the large display and the VOX icon [
] flashes.
2. Press [➤] or [➤] to
change the sensitivity
or deactivate VOX.
3. Press [
] to
confirm your
selection. Otherwise, the status is selected
automatically if no key is pressed after 5 Secs.
Note: A headset microphone (not supplied) can be used with
this function.
VOX Recovery Time
This is the amount of time the UH048XR will hold the
transmission before it starts receiving signals.
To set the timing:
1. Press [Function] button until “[
]” appears
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in the large display and the VOX icon [
flashes.
]
2. Press [➤] or [➤] to
select the delay time.
3. Press [
confirm your
selection. Otherwise the selected time is
] to
automatically accepted when no key is pressed
after 5 Secs.
AUTO KEYLOCK
This feature prevents accidental channel change and
disturbance to the preferred settings of the user. Auto
Key Lock temporarily disables the UP, DOWN and
ENTER buttons.
To activate Automatic Keylock:
1. Press [Function] button
Function
until “[
]”appears
Monitor
in the large display
and the key-lock icon
flashes.
Power/Enter
2. Press [➤] or [➤] to
select Auto option.
Press [
] to
3.
confirm your selection. Otherwise, the selected
option is automatically accepted if no key is press
after 5 Secs.
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The radio momentarily beeps as
appears on
display and [➤] or [➤] and [
] immediately goes
into auto lock if no key is pressed within 10 Secs.
To deactivate keylock temporarily, press and hold
disappears. Keys will go into
[Function] until
auto lock again if no key is pressed within 10 Secs.
To deactivate permanently:
1. Press and hold [Function] button until
disappears in the display.
2. Follow steps 1 to 3 for Activating Keylock but
select off in step 2.
CALL MELODY
This feature provides 7 selectable user call ringer
melodies to alert you of a calling party.
To set call melody:
1. Press [Function] button until
and the CAL
icon appear on the display . The current
melody number appears in the small display and
the melody is played.
2. Press [➤] or [➤] to
select the melody.
Press [
confirm your
] to
3.
selection. Otherwise, the selected melody is
automatically accepted if no key is press after
5 Secs.
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To use Call Melody:
Press [PTT] twice. Call Melody will be heard on user’s
radio and on all radios using the same channel.
MONITOR
This feature enables users to listen in for weak
signals on the current channel at the press of the
[Monitor] button.
To use monitor,
•
•
For brief listening, press [Monitor]
For continuous
Function
listening. Press and
hold [Monitor] for 2
Monitor
Power/Enter
sec. A tone beep will
be heard and the receiver circuit will stay open,
letting in both the noise & weak signals.
•
•
Display shows
icon.
To return to normal
receive mode press
[Monitor] or [PTT] button.
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BATTERY LEVEL DISPLAY
The
icon in the top right hand corner of the
screen indicates the UH-048XR current battery
voltage level at all times. The battery level is
displayed in 3 levels:
LEVEL 3
Battery 100% full
LEVEL 2
Battery approx
70% capacity
LEVEL 1
Battery approx
30% capacity
Almost Empty
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BATTERY CHARGE
Warning Notice! This UH048XR is designed to
charge Ni-Cd batteries only.
Use only the power Adaptor AAD-048S with 4 AAA
size Ni-Cd batteries.
Turn the power off. Follow charging set-up below.
Function
OR
Note 1: To fully charge the battery, leave the AC Adaptor (AAD-
048S) charging for 14-16 hours.
Note 2: Disconnect the AC Adaptor from the unit when charging is
completed.
Note 3: When using the Desk Top Charger, the UH048XR must be
placed with its front view facing the short part of the charger.
Charging batteries other than
NiCd may damage the radio.
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UHF CHANNELS & FREQUENCIES
Ch.
01
02
03
04
05
06
07
08
09
10
11
Freq.
476.425
476.450
476.475
476.500
*476. 525
476.550
476.575
476.600
476.625
476.650
#476.675
Usage
Ch.
21
22
23
24
25
26
27
28
29
30
31
Freq.
Usage
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Repeater
Repeater
Back-up
476.925
476.950
476.975
477.000
477.025
477.050
477.075
477.100
477.125
477.150
477.175
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Emergency Channel
12
13
14
15
16
17
18
19
20
476.700
Repeater
Repeater
Repeater
Repeater
Repeater
Repeater
Repeater
Repeater
Repeater
32
33
34
35
36
37
38
39
40
477.200
477.225
477.250
477.275
477.300
477.325
477.350
477.375
477.400
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
Simplex
476.725
476.750
476.775
476.800
476.825
476.850
476.875
476.900
* Emergency calling for simplex operation
Please do not use this channel in non-emergency cases.
# Back-up Emergency Channel
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CTCSS CODES & FREQUENCIES
Code No. Freq. (Hz) Code No. Freq. (Hz) Code No. Freq. (Hz)
00(‘oF’)
01
OFF
67.0
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.4
100.0
13
14
15
16
17
18
19
20
21
22
23
24
25
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
26
27
28
29
30
31
32
33
34
35
36
37
38
162.2
167.9
173.8
179.9
186.2
192.8
203.5
210.7
218.1
225.7
233.6
241.8
250.3
02
03
04
05
06
07
08
09
10
11
12
ACCESSORIES
•
•
AC Adaptor (AAD-048)
Desk Top Charger (DTC-048)
OPTIONAL ACCESSORIES
•
•
Speaker Microphone (SM-048)
Headset Microphone (HM-048)
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TECHNICAL SPECIFICATIONS
General
Channels
Transmit 40
Receive 40
Oper. Temp.
Antenna
0˚C - +55˚C
Fixed
Microphone
Display
Speaker
Built-in Electret type
Liquid Crystal Display
Round Type
Power Source
Size
4 x AAA Size Batteries
(without antenna)
99(H) x 51.7(W) x
24.4(D)mm
Weight
134g
(with Antenna & Battery)
Operating Time at
30 hrs (1000mAH Alkaline
Batteries)
5-5-90 Duty Cycle
20 hrs (600mAH Ni-Cd
Batteries)
Transmitter
Frequency Control
Frequency Range
Frequency Stability
Power Output
Phase Locked Loop
476.425 to 477.4 MHz
5 ppm
0.5W
Spurious Emissions
Current Drain
-40 dBm
320mA
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Receiver
Receiver Type
Dual Conversion
Super Heterodyne
Phase Locked Loop
System for Local
Oscillator
Frequency Range
Sensitivity @
20 dB SINAD
476.425 to 477.4 MHz
0.28 µV
Squelch Sensitivity
0.19 µV (Threshold)
Audio Frequency
Response
500Hz, 5dB
(ref: 1KHz, 3KHz Dev.) 2000Hz, -6dB
Selectivity
60dB
Hum & Noise Ratio
Audio Output Drain
Current Drain
40dB
0.2W (10% THD)
150 mA
50mW output
Specifications shown are typical and subject to change without
notice.
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WARRANTY
UNIDEN UH-048XR UHF CB RADIO
Limited One Year Warranty
Note: Please keep your sales docket as it provides evidence of
warranty.
Warrantor:
Uniden Australia Pty Limited ACN 001 865 498
Uniden New Zealand Limited
Elements of Warranty: Uniden warrants to the original retail owner
for the duration of this warranty, its UH-048XR UHF CB Transceiver
Radio (hereinafter referred to as the Product) to be free from defects
in materials and craftsmanship with only the limitations or exclusions
set out below.
Warranty Duration: This warranty to the original retail owner
only, shall terminate and be of no further effect ONE (1) Year after
the date of original retail sale. This warranty will be deemed invalid
if the product is; (A) Damaged or not maintained as reasonable
and necessary, (B) Modified, altered or used as part of any
conversion kits, subassemblies, or any configurations not sold by
Uniden, (C) Improperly installed, (D) Repaired by someone other
than an authorised Uniden Repair Agent for a defect or malfunction
covered by this warranty, (E) Used in conjunction with any
equipment or parts or as part of a system not manufactured by
Uniden, (F) Installed, programmed or serviced by anyone other
than an authorised Uniden Repair Agent, or (G) Where the Serial
Number label of the product has been removed or damaged
beyond recognition.
Parts Covered: This warranty covers for 1 year, the UHF CB
Transceiver Unit only. Accessories: Belt CLip and Wrist Strap are
covered for 90 days.
Statement of Remedy: In the event that the product does not
conform to this warranty at any time while this warranty is in effect,
the warrantor at its discretion, will repair the defect or replace the
product and return it to you without charge for parts and service.
This warranty does not cover provide for the reimbursement or
payment of incidental or consequential damages.
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Warranty card: If a warranty card has been included with this
product, please fill it in and return it to us within 14 days of
purchase.
Procedure for obtaining performance or warranty: In the
event that the Product does not conform to this warranty, the
Product should be shipped or delivered, freight prepaid, with
evidence of original purchase, (eg. a copy of the sales docket),
to the warrantor at:
UNIDEN AUSTRALIA PTY LIMITED UNIDEN NEW ZEALAND LTD
Service Division
Service Division
345 Princes Highway,
Rockdale, NSW 2216
Ph (02) 9599 3577
Fax (02) 9599 3278
Toll Free 1300 366 895
150 Harris Road,
East Tamaki, Auckland
Ph (9) 273 8383
Fax (9) 274 4253
Toll Free 0800 4UNIDEN
4864336
Customers in other states should ship or deliver the Product freight
pre-paid to the nearest Uniden Authorised Repair Centre. (Contact
Uniden for the Warranty Agent nearest you.)
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CONTROLS & INDICATORS
3
4
1
5
2
9
6
Function
10
7
11
8
Monitor
12
Power/Enter
13
UH048
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A
B
C
D
E
F
G
H
I
J
K
L
M
A. Signal Strength
Indicator
G. Keylock Indicator
H. Melody Indicator
I. Battery Level Indicator
J. TX Indicator
B. Monitor Indicator
C. CTCSS Indicator
D. Auto Channel Scan
Indicator
K. RX Indicator
L. Channel Indicator
E. Dual Watch Scan
Indicator
M. CTCSS Code or
Frequency
F. VOX Indicator
1. Detachable Belt Clip
2. Battery Cover
3. Antenna
8. Monitor Button
9. Built-in Speaker
10. Down Button &
Volume Control
4. PTT (Push-to-talk)
Button
11. Up Button &
Volume Control
5. External Mic/Speaker/
Charger Jack
12. Power On/Off &
Enter Button
6. LCD Display
13. Built-in Microphone
7. Function Button
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© 2000 Uniden Australia Pty Limited/
Uniden New Zealand Limited
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|