Retevis TWINTALKER User manual

Twintalker
EN USER INSTRUCTIONS

PIC 01
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PIC 02

EN~ Instructions for use
This set includes 2 walkie-talkie units: these are
communication devices which operate on mobile radio
frequencies. They come with 8/20/22(option) channels as well
as a back-lit LCD screen, enabling you to communicate over
several kilometres free-of-charge (up to 3 km in open areas)
NOTE: Please read these user instructions carefully before
using the equipment and retain for future consultation!
SPECIFIC RECOMMENDATIONS
If you carry any kind of personal medical device, consult a
doctor before use.
To avoid the risk of burns, do not use the device if the aerial
is damaged in any way.
Do not use the device in a potentially explosive setting
(e.g. around petrol pumps, on the lower deck of a boat or
around a fuel storage installation or chemical products)
If travelling in a car or by bike, stop before using the device.
Switch off the device if on an aeroplane or in a hospital.
Never use the device in close proximity to a radio to avoid
interference.
Remove the batteries if the device is not in use for an
extended period of time. Never mix used and new batteries.
Position the transmitter and antenna at least 5 cm 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.
The device cannot be used to contact the emergency services.
ITEM DESCRIPTION (Pic 01,02)
1. Antenna
2. RX icon -Displayed when receiving
TX icon -Displayed when transmitting
3. Volume level indicator
4. Adjustor button Up (▲)
5. Continued reception( )
6. On /off button( )
7. Adjustor button Down (▼)
8. Earphone socket
9. Loud speaker
10.Microphone
11. Menu,Enter the menu settings
12. Call button( )
13. Keypad lock indicator
14. Battery level indicator
15. Push to talk (PTT)button
16. VOX indication
17. Scanning indication,Displayed during scan mode
18. Channel/Menu item indication
19. CTCSS / Menu option -value
20. Belt attachment clip
21. Belt attachment
22. Batteries (not supplied)
23. Battery compartment

BEFORE USE (Pic 02)
To insert batteries into the devices, first remove the belt
attachment: lift the attachment clip (20) and press the belt
attachment upwards (21).
Open the battery compartment (23) and insert 3 AAA batteries
(22) (not supplied), ensuring that the poles are correctly
aligned. Then close the lid.
USING THE TWINTALKER
1. Turning the device on/off: To turn the devices on or off,
hold down the on/off button (6) for 3 seconds a BEEP sound
will be played to confirm.
2. Adjusting the volume: To increase the volume, press
the Up adjustor button (4) and press the Down (7)
button to decrease volume.
Note: The volume level (3) is displayed on the screen.
3. Battery Charge Level/Low Battery Indication
The battery charge level is indicated by the number of squares
present inside the battery icon on the LCD Screen.
Battery Full
Battery 2/3 charged
Battery 1/3 charged
Battery empty
When the battery charge level is low, the battery icon will
flash and a beep will be heard to indicate that the batteries
need to be replaced or recharged.
▲▼

4. Receiving/transmitting communications:
The devices are in 'Reception' mode when lit up, i.e. they are
ready to receive a call or sound transmitted on the activated
frequency.
When you press the Call tone button (12), the device
switches to 'Transmission' mode. You are then
transmitting a sound signal to the other device.
To send a voice message, press the PTT button (15)
and speak into the microphone (10). Continue to
press the button until you have finished
transmitting your message.
Hold the microphone a minimum of 5 cm from your face.
Note:
- The other device must be set to the same channel and have
set the same CTCSS code(see point 7)
- When the transmission is complete and the PTT button (15)
is no longer held down, the other device will emit a sound
(BEEP) to indicate that this device is ready to transmit.
5. Changing Channels
Press the MENU button (11)once, the current
channel number flashes on the display.
Press the - ▲ button (4) or the - ▼ button (7) to
change the channel.
Press the PTT - button to (15) confirm and return to
stand-by Mode.
Note:If no button is pressed within 15 seconds during setting,
the unit will return to standby.
6.CTCSS (Continious Tone Coded Squelch System)
License free radio's operating on the 400~470 MHz
frequency band, like the Twintalker , have 8/20/22 available
radio channels. If there are many radio's users in your
neighborhood, there is a chance that

some of these users are operating on the same radio channel.
To prevent that you receive signals from other users, sub-
channels have been integrated.
Two radio's will only be able to communicate with each other
when they are operating on the same radio channel and when
they have selected exactly the same sub-channel.There are two
kind of sub-channels :
Continuous Tone Coded Squelch System (CTCSS)
When using CTCSS, a low frequency tone (between 67 and 250
Hz) will be transmitted along with the voice signal. There are
38 available tones to choose from. You are free to choose one
of these 38 available tones. Due to filtering, these tones will
generally not be audible so they will not disturb the
communication.
7.CTCSS
Press the MENU-button(11) twice : The current CTCSS
code flashes on the display.
Press the ▲-button(4) or the ▼-button(7) to change
to another code.
Press the PTT-button(15) to confirm and return to
stand-by mode.
Note:To disable CTCSS, select code "0F for CTCSS in
the menu.When the entry is confirmed, "OF" will be
displayed.
8.Monitor
You can use the monitor feature to check for weaker signals in
the current channel.
Press the MON-button to activate channel
monitoring.
Press the MON-button to stop channel monitoring.
Note:During channel monitoring the receiver circuit
in the Radios will not listen to CTCSS codes.

9. VOX Selection
The Radios is capable of voice activated (VOX)
transmission. 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 radio in a noisy or windy
environment.
Note:VOX mode will be overrided when you press the
PTT - button .
Press the MENU- button three times, the
current VOX setting flashes on the display and the
VOX icon is displayed.
Press ▲-button(4) to set the VOX sensitivity level
between 1 and 3 (level 3 is the most sensitive level).
Press ▼-button(7) until OF appears on the
display,to turn VOX OFF.
Press the PTT-button(15) to confirm and return to
stand-by mode.
10. Scanning for an active radio channel
Press and hold the -button(12) : The 'Scan'
function indicator (17) will appear on the screen and
the channel (18) will scan continuously from 1 to
8/20/22.
Press the ▼-button(7) to start the channel scan
from 8/20/22 to 1.
Once an active channel is found, the scanning will stop and
you can listen to the transmission.
When the transmission on the found channel stops, the
scanning will resume automatically.
NOTE:If you press the PTT button(15) while listening to a
found channel, the Radios will go back in stand-by mode on
the found channel.
15
(11)

11. Call Tones
A call tone alerts others that you want to start talking.
11.1Setting the Call Tone
The Twintalker has 10 call tones.
Press the four times, CA is
displayed and the current call tone is flashing.
Press the ▲-button(4) or the ▼-button(7) to
change to another Call Tone.
Press the PTT - button(15) to confirm and return to
stand-by Mode.
11.2 Sending a call Tone
Press the -button(12) briefly. The call tone will be
transmitted on the set channel.
12. Key-Tone On/Off
When a button is pressed, the unit will beep briefly.
To set the key-tone.
Press the MENU- button(11) five times. tO will be
displayed.
Press ▲ to enable (ON) or ▼ disable the Key Tones
(OF).
Press the PTT - button(15) to confirm your selection
and return to the standby mode.
13. Roger Beep On/Off
After the PTT-button is released, the unit will send out a roger
beep to confirm that you have stopped talking.
To set the Roger Beep.
Press the MENU- button(11) six times. rO will be
displayed.
Press ▲ to enable (ON) or ▼ disable the Roger Beep
(OF).
Press the PTT - button(15) to confirm your selection
and return to the standby mode.
MENU- button(11)