Retevis RT31 Manuale utente

RT31

PIC 01

15.PTT

8.Earphone jack

PIC 02

This set includes 2 walkie-talkie units: these are communication devices

which operate on mobile radio frequencies. They come with 8/20/22

channels as well as a back-lit LCD screen, enabling you to communicate

over several kilometers free-of-charge.

NOTE: Please read these user instructions carefully before using the

equipment and retain for future consultation!

EN~Instructions for use

SPECIFIC RECOMMENDATIONS

·If you carry any kind of personal medical disease, consult a doctor before

use.

To avoid the risk of burns, do not use the device if the antenna is damaged

in any way.

Do not use the device in a potentially explosive environment(e.g. around

petrol pumps, on the lower deck of a boat or around a fuel storage

installation or chemical products)

Switch off the device if on an airplane 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

Leave the transmitter and antenna at least 5 cm from your face. Direct the

antenna upwards and speak normally.

ITEM DESCRIPTION (Pic01,02)

1. Antenna

2. RX icon -Displayed when receiving

TX icon -Displayed when transmitting

3. Volume level indicator

4. Up adjustor button (▲)

5. Continued reception (MON)

6. On / off button ( )

7. Down adjustor button (▼)

8. Earphone socket

9. Loud speaker

10.Microphone

11. Enter the menu settings (Menu)

12. Call button ( )

·Clean the device with a damp cloth. Do not use cleaning agents and

solvents.

·Do not modify the device in any way. If the device damaged ,please

checked by a qualified professional.

·The device cannot be used to contact the emergency services.

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.

22. Batteries (not supplied)

23. Battery compartment

Belt attachment

To install the batteries

To insert batteries into the devices, first remove the belt attachment:

lift the attachment clip (20) and press the belt attachment(21) upwards.

Open the battery compartment (23) and insert 3 AAA batteries (22)

(not supplied),

ensuring that the poles are correctly aligned. Then close the lid.

2.Adjusting the volume:

To increase the volume, press the Up adjustor button ▲(4) and press the

▼(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.

USING THE WALKIE TALKIE

1. Turn the divice on/off:

To turn on the devices on or off , press the on/off button(6) for 3 seconds,

there will be a BEEP sound to confirm.

4. Receiving/Transmitting communications:

The devices are in ‘Reception’ mode when lit up, i.e. they are ready to

receive a call or sound transmitting 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.

Please keep press the Talk button until you finish the transmitting.

Hold the Mic with a minimum distance of 5 cm from your face.

Note:

- The other device must be set to the same channel and same CTCSS code.

- When you finish the communication, please lose the hand, the other device

will email the beep to indicate that the 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 ▼ 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 (Continuous Tone Coded Squelch System)

Licence 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 radios only be able to communicate with each other not only on the

same channel but also set to the same sub-channels.

There is the sub-channels:continuous tone squelch system(CTCSS)

When using CTCSS, a low frequency tone(67-250Hz)will be transmitted

along with the voice signal. There are 99 available tons to choose.

Note: To disable CTCSS, select code "0F” for CTCSS in the menu. When

pressing PTT button to confirm.

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

pressing PTT button to confirm.

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

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 pick up 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 (15).

·Press the MENU(11) 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.

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