Shenzhen Unison Technology UT518 0.5 Watts Walkie Talkie Owner’s Manual

: June 6, 2024
: Shenzhen Unison Technology

Table of Contents

Key Functions
FCC Statement
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Unison Technology UT518 0.5 Watts Walkie Talkie
Owner’s Manual

This set included 2 walkie-talkie units: there are communication devices that operate on mobile radio frequencies. They come with 8/22( option) channels as well as a back-lit LCD screen, enabling you to communicate over several kilometers free of charge (up to4KM in open areas). Note: Please read these user instructions carefully before using the equipment and retain them for future consultation!
Specific Recommendations

To avoid the risk of burns, do not use the device if the aerial is damaged in any way.
Don does 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 chemical products)
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 avoids interference.
Remove the batteries if the device is not used 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 is checked by a qualified professional al.
The device cannot be used to contact emergency services.

Key Functions

Before Use the device
Removing the belt clip
Before inserting batteries into the device, first, pull the belt clip latch away from the device.
Installing the Batteries For use of non-rechargeable batteries:

Slid down the battery compartment cover.
Insert 3* AAA Alkaline (Not included)
Position the batteries according to the polarity made on the battery compartment.
After placing batteries into correct positions, replace the battery cover.

Using device

Turn 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.
Adjusting the volume To increase the volume, press the Up button. And press the Down button to decrease the volume.
Low Battery Indication The device can detect a low battery level when the battery voltage goes low. When the battery voltage is low, the battery icon will flash and a beep will be heard to indicate that the batteries need to be replaced.
Receiving/ transmitting communications:
The devices are in “Reception” mode when it is turned ON and not 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 switch to “Transmission” mode.
Hold the device in a vertical position with the Mic(microphone) 3-5cm away from your 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 as you.

Note:

The talking range will depend on your surroundings and environment. It will be affected by obstructions such as hills or buildings.
Don’t try to use two devices that 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 standby mode.
Note: If no button is pressed within 15 seconds during setting, the device will return to standby 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 standby mode.
License-free radios 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 from. 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 not disturb the communication.
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 levels (level 3 is the highly sensitive level).
Press down , the button until “OF” appears on the display to turn VoX OFF.
Press the PTT button to confirm and return to standby mode. In VOX mode, the radio will transmit a signal when it is activated by your voice or another 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 overridden when you press the T button.
8, Scanning for an active radio channel
Press and hold the UP button for 2 seconds: The “SCAN” function indicator will appear on the display and the channel will scan continuously from to8/1 to22. 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 the PTT button while listening to a found channel, the device will go back to standby mode on the found channel.
9, Monitor
Press and hold the DOWN button for 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 tone.
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 is released, the device will send out a roger beep to confirm that has stopped talking.
Press the MENU button 5 times,'”RO” will be displayed.
Press the UP /Down button disables 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 backlight of the LCD display. The backlight will light on for about 5 seconds. 14, Earpiece connection The device can be used with an earpiece (If there is an 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 ‘PTY. button on the earpiece that has the same function as the PTT button on the device.
When you use the PTT button from the earpiece, you must also use the microphone 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 automatically activated.
This does not affect the reception of transmission and the standby mode is automatically re-activated as soon as a signal is detected.
16, Built-in Flashlight Your device has a built-in flashlight that can be used in sending light signals or for our lighting needs.
17, Lock & Unlock the device Press and hold the MENU button for 3 seconds to lock the device. Press and hold the 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 (Narrowband)
Channel and Frequency (MHz) Europe(8CH)

Ch. Frequency	Ch. Frequency	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

USE(22CH)

Ch, Frequency| Ch, Frequency| Ch. Frequency| Ch. Frequency| Ch. Frequency
---|---|---|---|---
1| 462.5625| 7| 462.7125.| | 467.6875| 19| 462.6500
2| 462.5875| 8| 467.5625| 14| 467.7125| 20| 462.6750
3| 462.6125| 9| 467.6125| 15| 462.5500| 71| 462.7000
4| 462.6375| 10| 467.6375| 16| 462.5750| 22| 462.7250
5| 462.6625| 11| 467.6375| 17| 462.6000| |
6| 462.6875| 12| 467.6625| 18| 462.6250| |

FCC Statement

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 a 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.

Caution: Any changes or modifications to this device not explicitly approved by manufacturercould void your authority to operate this equipment.
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.
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. Users should avoid the un-intended operation of usage when it is collocated with other transmitters or antennas.