User's Manual

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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
“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 with you.
Note:
1. The talking range will depend 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 1.5m (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 99 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 99 available tones to choose form.
You are free to choose one of the 99 available sub-channels. Due to filtering, these
sub-channels will generally not be audible so they will note 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 8 /I 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 standby 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 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 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 446.00625MHz～446.9375MHz
462.5625MHz～467.7125MHz
Channel 8/22 channels
Number Sub-code CTCSS 99
Transmission Power ≤0.5W
Range Up to 5 Km in open field
Battery type 4* AAA Alkaline/rechargeable batteries (DC 6.0V)
The battery voltage: 1.5V
Modulation type FM-F3E
Channel spacing 12.5 KHz (Narrow band)
Channel and Frequency (MHz)
Europe (8CH)
Ch Frequency Ch Frequency Ch Frequency
1 446.00625 4 446.04375 7 446.08125
2 446.01875 5 446.05625 8 446.09375
3 446.03125 6 446.06875
USA (22CH)
Ch Frequency Ch Frequency Ch Frequency Ch Frequency
1 462.5625 7 462.7125 13 467.6875 19 462.6500
2 462.5875 8 467.5625 14 467.7125 20 462.6750
3 462.6125 9 467.5875 15 462.5500 21 462.7000
4 462.6375 10 467.6125 16 462.5750 22 462.7250
5 462.6625 11 467.6375 17 462.6000
6 462.6875 12 467.6625 18 462.6250
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