Shenzhen Unison UT308 User manual

Before insert batteries into the device, first pull the belt clip latch away from the
device.
Installing the Batteries
For use of non rechargeable batteries:
1, Slid down the battery compartment cover.
2, Insert 3* AAA Alkaline (Not included)
3, Position the batteries according to the polarity making on the battery compart-
ment.
4, After placing batteries into correct positions, replace the battery cover.
Using the device
1, Turning the device on/ off
Switch on the device: Press and hold on the 3 seconds then you will hear a beep
sound.
Switch off the device: Press and hold the 3 seconds then you will hear a beep
sound.
2, Adjusting the volume
To increase the volume, press the Up▲button. And press the Down ▼ button to
decrease the volume.
3, Low Battery Indication
The device can detect the low battery level when the battery voltage goes low.
When battery voltage is low, the battery icon will flash and a beep will be heard to
indicate that the batteries need to be replaced.
4, Receiving/ transmitting communications:
The devices are in“Reception”mode when it is turned ON and no transmitting When
a signal is received on the current channel, the LCD will display in reception.
When you press the PTT (push to talk) button, the devices switches to “Transmis-
sion" mode.
Hold the device in a vertical position with the Mic(microphone) 3-5cm away from
vour mouth. While holding the PTT button, speak into the microphone in a normal
tone of voice.
Release the PTT button when you have finished transmitting.
For others to receive your transmission, they must be on the same channel with
you.
Note:
1，The talking range will depend on your surroundings and environment. It will be
affected by obstructions such as hils or buildings.
0.5Watts Walkie Talkies
Model NO.:UT308
Owner s manual
Before Use the device
Removing the belt clip
This set included 2 walkie-talkie units: there are communication devices which oper-
ate on mobile radio frequencies. They come with 8/22( option) channels as well as
back-lit LCD screen, enabling you to communicate over several kilometers free-of
-charge(up to 6KM in open areas).
Note: Please read these user instructions carefully before using the equipment and
retain for future consultation!
To avoid the risk of burns, do not use the device if the aerial is damage in any
way.
Don not use the device in a potentially explosive setting(e.g. Around pumps,on
the lower deck of a boat or around a fuel-storage installation or chemicalprod-
ucts)
If traveling in a car or by bike, stop before using the device.
Switch off the device if on an airplane or in a hospital,
Never use the device in close proximity to a radio that avoid to interference.
Remove the batteries if the device is not use for an extended period of time.
Never mix used with new batteries.
Position the transmitter and antenna at least 5cm from your face. Direct the
antenna upwards and speak normally.
Clean the device with a damp cloth, Avoid the use of cleaning agents and
solvents.
Do not modify the device in any way. In the event of damage occurring, ensure
that the device us checked by a qualified professio al.
The device cannot be used to contact the emergency services.
Specific Recommendations
Key Functions
Antenna
Push to talk
Power on/off
Menu/lock
Volume Controls
Headphone mic jack
Removable belt clip
Led flashlight
Speaker
Flashlight
On/off
Mic
Channel&
Function
Indicator

Channel and Frequency (MHz)
Europe(8CH)
USA(22CH)
2，Don't try to use two devices which are less than 1.5m (5 feet) apart. Otherwise,
you may experience interference.
5, Changing Channels
Press the MENU button one time, The channel number will flash on the display.
Press the up▲/down▼button to change the channel.
Press the PTT button to confirm and return to stand-by mode.
Note: if no button is pressed within 15 seconds during setting, the device will return
to stand-by mode.
6, CTCSS (Continues Tone Coded Squelch System)
Press the MENU button twice, the current CTCSS code will flash on the display.
Press the up▲/down▼button to change the 38 available codes.
Press the PTT button to confirm and return to stand-by mode..
License free radio's operating on the 400-470MHZ frequency band, the device has
8/22(option) available radio channels. If there are many device users near you, there
is a chance that some of the users are operating on the same radio
channel.
When using CTCSS, a low frequency tone (between 67-250Hz) will be transmitted
along with the voice signal. There are 38 available tones to choose form.
You are free to choose one of the 38 available sub-channels. Due to filtering, these
sub-channels will generally not be audible so they will note disturb the communica-
tion.
7, Vox (Hands free function)
Press the MENU button three times, the current VOX setting will flash on the display
and the VOX icon will display,
Press UP▲button to set the Vox sensitivity level between 1 and 3 level(level 3 is the
high sensitive level).
Press down▼button until “OF”appears on the display to turn VoX OFF.
Press the PTT button to confirm and return to stand-by mode. In VOX mode, the
radio will transmit a signal when it is activated by your voice or other sound around
you.
VOX Operation is not recommended if you plan to use your device in a noisy or
windy environment. :
Note: VOX mode will be over ride when you press the T button.
8, Scanning for an active radio channel
Press and hold the UP▲button 2 seconds: The “SCAN" function indicator will appear
on the display and the channel will scan continuously from1 to8/1to22.
Once an active channel is found, the scanning will stop and you can listen to the
transmission.
When the transmission is on the found channel stop, the scanning will resume
automatically.
Note: If you press PTT button while listening to a found channel, the device will go
back to stand-by mode on the found channel.
9, Monitor
Press and hold the DOWN▼button about 3 seconds to active monitor.
Release the DOWN▼button return to stand by mode.
10, Setting the Call tones
The device has 10 call tones.
Press the MENU button 4 times,“CA" is displayed and on the current call tone.
Press the UP▲/Down▼button to change another call tones.
Press the PTT button to confirm and return to stand-by mode.
11, Sending a call tone
Press the PTT button one time quickly, the call tone will be transmitted on the
setting channel.
12, Roger Beep On/Off
After the PTT button us released, the device will send out a roger beep to confirm
that have stopped talking.
Press the MENU button 5 times,“RO" will be displayed.
Press the UP▲/Down▼button disable the roger beep ON/OFF.
Press The PTT button to confirm your selection and return to the stand-by mode.
13, Backlit display
Press any button except for the MENU button to activate the back light of the
LCD display. The back light will light on about 5 seconds.
14, Earpiece connection
The device can be used with earpiece (If there is earpiece packed together with the
device).
The connector is located on the top of the device.
Insert the earpiece plug into the connector (2. 5mm jack).
There is a small “PTT” button on the earpiece that has the same function as the PTT
button on the device.
When you use the PTT button from the earplece, you must also use the micro-
phone from the earpiece to talk.
Note: Do not connect other earpieces, it may damage your device.
15, Battery saving function
When the device has not been used for 6 seconds, the economy mode is automati-
cally activated. This does not affect the reception of transmission and the stand by
mode is automatically re-activated as soon as a signal is detected.
16, Built-in Flash light
Your device has a built-in flash light that can be used in sending light signals or
for our lighting needs.
17, Lock & Unlock the device
Press and hold MENU button for 3 seconds to lock the device.
Press and hold MENU button for 3 seconds to unlock the device.
18, Technical specifications
Frequency 400-470MHZ
Channel number 8/22 channels
Sub-code CTCSS 38
Transmission Power ≤0.5W
Range Up to 6 Km in open field
Battery type 3* AAA Alkaline/rechargeable batteries
Modulation type FM-F3E
Channel spacing 12.5 KHz (Narrow band)
Ch. Frequency
1 446.00625
2 446.01875
3 446.03125
4 446.04375
5 446.05625
6 446.06875
7 446.08125
8 446.09375
Ch. Frequency Ch. Frequency
Ch. Frequency
1 462.5625
2 462.5875
3 462.6125
4 462.6375
5 462.6625
6 462.6875
7 462.5625
8 462.5875
9 462.6125
10 462.6375
11 462.6625
12 462.6875
13 462.5625
14 462.5875
15 462.6125
16 462.6375
17 462.6625
18 462.6875
19 462.6500
20 462.6750
21 462.7000
22 462.7250
Ch. Frequency Ch. Frequency Ch. Frequency

FCC Statement
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: 1) this device may not cause harmful interference, and 2) this device must accept
any interference received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
--Reorient or relocate the receiving antenna.
--Increase the separation between the equipment and receiver.
--Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
--Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. User should avoid un-intended operation of usage when it is collocated with other
transmitters or antenna.
This radio is designed for and classified as “General population/uncontrolled Use” – DO NOT operate
the radio without a proper antenna attached, as this may damage the radio and may also cause you to
exceed RF exposure limits. A proper antenna is the antenna supplied with this radio by the manufacturer
or an antenna specifically authorized by the manufacturer for use with this radio. – DO NOT transmit for
more than 50% of total radio use time, more than 50% of the time can cause RF exposure compliance
requirements to be exceeded. – This transmitter may operate with the antenna(s) documented in this
filing in Push-to-Talk and body-worn configurations. RF exposure compliance is limited to the specific
belt-clip and accessory configurations as documented in this filing and the separation distance between
user and the device or its antenna shall be at least 2.5 cm.