Retevis RA35 User manual

User’s manual
RA35

Before Use the device
Remove the belt clip
Before insert batteries into the device, first pull the belt clip latch away from the
device(See PIC02)
Installing the batteries
1.Slid down the battery compartment cover( See pic03).
2.Insert 4*AAA batteries(Not included)
3.Position the batteries according to polarity making on the battery compartment.
4.After placing batteries into correct positions, replace the battery cover( See
PIC04)
PIC 04
PIC 03PIC 02
PIC 01
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DOWN UP

3. Low Battery Indication.
The battery voltage level is indicated by the numbers 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 voltage 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 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)
5-10cm 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 with
you.
Note:
1.The maximum talking range is 2km, it will depended on your surroundings and
environment. It will be affected by obstructions such as hills or buildings.
2.Don
’ t try to use two devices which are less than 1.5mm(5 feets) 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.
Using the device
1.Turning the device on/off:
Switch on the device: press and hold on the on/off button for 3 seconds, then you
will hear a beep sound.
Switch of the device: press and hold on the on/off button for 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 volume.
Note: The volume level is displayed on the screen.
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6. CTCSS+DCS
Press the MENU button twice, the current CTCSS(DCS) code will flash on the
display, Press the up / down button to change the 99 available codes.
Press the PTT button to confirm and return to stand-by mode.
License free radio
’ s operating on the FRS MHZ frequency band, the device has
22 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.
To prevent that you receive signals from other users, sub-channels have been
integrated.
When using CTCSS(DCS), a low frequency tone (between 67-250 HZ) will be
transmitted alongwith the voice signal, There are 99 available tones to choose
from, You are free to choose one of the 99 available sub-channels, Due to
filtering, these subchannels 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 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 PTT 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 from 1 to 22. 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 Tone
The device has 10 call tones
Press the MENU-button 4 times, “CA” is displayed and on the current call tone.
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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 CALL 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 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. Headset connection
The device can be used with headset (If there is headset 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 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: Don’t connect other headset, 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 stand by mode is automatically re-activated as soon as signal is detected.
16. Buit-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. The button lock
icon is displayed on the LCD screen.
Press and hold MENU button for 3 seconds to unlock the device.
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18. Technical specifications
Frequency FRS
Channels 22 channels
Sub-code CTCSS 38+DCS61
Transmission Power =<500mW ERP
Range Up to 2 Km(Open field)
Battery type 4xAAA Alkaline/rechargeable batteries(Not included)
Modulation Type FM – F3E
Channel spacing 12.5kHz(Narrow band)
Frequency CH
1 462.5625
2 462.5875
3 462.6125
4 462.6375
5 462.6625
6 462.6875
7 462.7125
8 467.5625
9 467.5875
10 467.6125
11 467.6375
Frequency CH
12 467.6625
13 467.6875
14 467.7125
15 462.5500
16 462.5750
17 462.6000
18 462.6250
19 462.6500
20 462.6750
21 462.7000
22 462.7250
US (
Frequency table)
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