Baofeng GT-18 Manual de usuario

ATTENTION

Thanks for choosing BAOFENG! GT-18 is a FM two-way radio transceiver suitable for use in the 446 private mobile radio service (PMR446).

Programmed with the 16 PMR446 frequencies, Max Transmission power 500 mW, Bandwidth 12.5 kHz, Maximum transmission time limit 180

seconds, fixed antenna, no registration or fees. But restrictions of use may apply in some Non-EU countries. For further information, we suggest

you look at the “Restrictions on the use” chart.

RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE FOR PORTABLE TWO-WAY RADIOS

ATTENTION!

Before using this product, read the RF Energy Exposure and Product Safety Guide that ships with the radio which contains instructions for safe

usage and RF energy awareness and control for compliance with applicable standards and regulation.

BAOFENG GT-18 is a multi-task PMR446 transceiver.

Combining the latest technology in radio communication along with a sturdy mechanical frame, GT-18 is the ideal and effective solution for the

professionals who need to stay in touch with the working team (in construction sites, buildings, shows, trade fairs or hotels) or for leisure users

that just want to keep up with friends and family.

PRECAUTIONS FOR BATTERIES

■Charging Prohibitions

To protect you against any property loss, bodily injury or even death, be sure to observe the following safety instructions:

1. Do not charge or replace your battery in a location containing fuels, chemicals, explosive atmospheres and other flammable or explosive

materials.

2. Do not charge your battery that is wet. Please dry it with a soft and clean cloth prior to charge.

3. Do not charge your battery suffering deformation, leakage and overheat.

4. Do not charge your battery with an unauthorized charger.

5. Do not charge your battery in a location where strong radiation is present.

6. Overcharge shall always be prohibited for it may shorten the life of your battery.

■Maintenance Instructions

To help your battery work normally or prolong its life, be sure to observe the following instructions:

1. Accumulated dust on charging connector may affect normal charging. Please use a clean and dry cloth to wipe it on a regular basis.

2. It is recommended to charge the battery under 5℃~40℃. Violation of the said limit may cause battery life reduction or even battery leakage.

3. To charge a battery attached to the product, turn it off to ensure a full charge.

4. Do not remove the battery or unplug the power cord during charging to ensure a smooth charging process.

5. Do not dispose of the battery in fire.

6. Do not expose the battery to direct sunlight for a long time nor place it close to other heating sources.

7. Do not squeeze and penetrate the battery, nor remove its housing.

■Transportation Instructions

1. Damaged batteries must not be transported.

2. To avoid short circuit, separate the battery from metal pars or from each other if two or more batteries are transported in one packaging.

3. The radio must be switched off and secured against switch-on, if the battery is attached.

The content of the shipment must be declared in the shipping documents and by a Battery Shipping Label on the packaging. Contact your hauler

for the local regulations and further information.

■Precautions for Disposal

Once the service life of our products (including but not limited to radios and batteries) has ended，they shall not be disposed as household garbage.

Their recycling and disposal shall satisfy your local regulations.

MAINTENANCE

To be safe and sure:

•Never open your radio’s case.

•Never change or replace anything in your radio except the batteries.

■Care and Safety

Your GT-18 was designed to fulfill any warranty obligations and to enjoy this product for many years.

As for all the electronically devices, we recommend you to follow this few suggestions:

• Do not attempt to open the unit. Non-expert handling of the unit may damage it and/or annul the warranty.

• When using regulated power supply, take notice of power voltage that must be 5V to avoid damages.

• High temperatures can shorten the life of electronic devices, and warp or melt certain plastics. Do not store the radio in dusty or dirty areas.

• Keep the Radio dry. Rainwater or damp will corrode electronic circuits.

• If it appears that the Radio diffuses peculiar smell or smoke, please shut off its power immediately and take off the charger or battery from the

Radio.

• Do not transmit without antenna.

• To clean the radio, use a soft cloth dampened with water. Do not use cleaners or solvents because they can harm the body of the unit and leak

inside, causing permanent damage.

• Use a dry, lint-free cloth to clean the battery contacts.

■Hazardous Environments

Do not operate the radio in hazardous environments. Explosion or fire may result. Do not operate the radio near unshielded electrical blasting

caps.

Under certain conditions, radios can interfere with blasting operations and may cause an explosion. Turn your radio OFF to prevent accidental

transmission when in a blasting area or in areas posted: "Turn off two-way radio." Construction crews often use remote control RF devices to set

off explosives.

MAIN FEATURES

• PMR transceiver (No license required) • Output power: ≤0.5W

•16 Modifiable PMR channels • Channel monitor

• Channel spacing: 12.5 KHz • Channel scan

• Vocal tuning • Battery save

• Battery low alert • TOT (Time out timer)

• LED flashlight • 2pin Kenwood accessory jack

• 260 Sub-codes (50 CTCSS Codes & 210 DCS codes) • Li-Ion 1500mAh battery pack

• Micro USB connector for charging • Battery Life: up to 18 hours (under typical use conditions)

BATTERY RECHAGRE

GT-18 is equipped for using a 3,7V Li-ion rechargeable battery pack which can be recharged by connecting the USB cable to the radio and to a

USB-charger (5V-1A). It takes 5 hours to fully recharge the radio.

For maximum battery life, we recommend charging the battery pack when the BF-GT-18 is off and the battery pack is fully discharged.

The Battery power saving feature enables a reduction in consumption of up to 50%. If it has been set, it automatically activates when the

transceiver does not receive any signal for more than 5 seconds in order to save the battery life.

The Power saving function is activated by default and can be modified only by soft-ware.

Note: Using a different battery charger other than the one specified can cause damage to your device or may even cause explosions and

personal injuries.

GETTING ACQUAINTED

1. External Speaker/Microphone Jack 2. PTT key 3. Antenna

4. UP key 5. Led indicator: RED: TX; GREEN: RX. 6. DOWN key

7. Microphones 8.Monitor key 9.LAMP key

10.PTT Key 11. Battery level indicator 12. CTCSS enabled

13. DCS enabled 14. VOX enabled 15. Channel (1-16)

16. Keypad lock enabled 17. Transmit Status 18. Receive Status

19. Transmit power indicator 20.LED Flashlight

OPERATIONS

Power on/off and volume adjustment

Rotate the Power/Volume knob clockwise to turn the radio on. Rotate the control clockwise /counter-clockwise to adjust the volume level as you

prefer. To turn the radio off, rotate the control counter-clockwise till hearing a mechanical “click”.

Channel selection

In standby mode, directly press the /key to step down or down to select the channel. Press and hold the /key to quickly switch

channels down or up. The corresponding channel is displayed digitally. When the voice prompt function is turned on, the corresponding channel

is broadcast by voice.

Transmission

To communicate, all radios in your group must be set to the same channel. Briefly press the MONI key to enable the Monitor feature in order to

make sure that the frequency is not busy, and then press the [PTT] key. Release the [PTT] key to receive. Only one user at a time can talk during

radio communications. Therefore, it is important not to transmit when you are receiving a communication and use the transmission mode

sparingly to allow other users to talk. Transmission consumes a significant amount of energy and should therefore be used sparingly to prolong

the battery life. If you are unable to contact a station that you have no problems in receiving, the station may be using CTCSS tones or DCS

codes.

Monitor

The Monitor feature is for excluding (opening) the Squelch, in order to listen to signals that are too weak to keep the Squelch permanently

opened. Hold down the MONI key to enable such function.

Scan

This function can only be activated by programming software. To enable the scan function, all 16 channels must be programmed. When the radio

is turned on, press and hold the and keys at the same time, and scanning will start automatically. Whenever any signal is detected, the scan

stops on a busy channel. If you press and hold PTT, you will send on the latest busy channel. Press any function key to exit the scanning state.

Flashlight

With GT-18 turned on, shortly press the LAMP to turn on/off the flashlight at the top side of the radio.

VOX

The VOX feature enables hands free conversations without using PTT: just speak in the direction of the microphone and the communication will

be automatically activated. The VOX sensitivity can be adjusted in 5 different levels (1…5) through the programming software:

Level 2 is set by default and has the lowest VOX sensitivity, 5 is the lowest one.

With the programming software you can enable/disable the VOX feature and select the sensitivity levels.

CPS programming path: Edit > VOX > VOX Level

Squelch

The Squelch function suppresses noises on free channels and allows receiving even weak signals. GT-18 has 10 different Squelch levels that can

be set by programming software: 0 means that the Squelch is turned off; from level 1 to level 9 you will have different levels of noise reduction.

The higher is the level, the louder will be the Squelch. By default, the Squelch level of GT-18 is set on level 4. Make sure you do not set an

excessively high squelch level because in this case you may not be able to receive weaker signals. On the other hand an excessively low Squelch

value could enable the Squelch even when no signals are present. Squelch must always be adjusted when no signals are present. The Time Out

timer is settable from 30 sec to 270 sec. only through the programming software. This feature is disabled by default.

CTCSS/DCS tones

CTCSS and DCS tones are similar to access codes and enable the radio to communicate only with the users that are tuned on the same channel

and have set the same code. For each channel, you can set up to 50 CTCSS tones and 210 DCS codes. The CTCSS/DCS tones are a sort of

“access codes” and enable the radio to communicate only with the other users set on the same frequency and on the same CTCSS/DCS tone.

Undesired signals coming from other stations set on the same frequency but with different CTCSS/DCS tones won’t be received.

Appendix A. – Frequency Chart

Ch. Freq. (MHz) Ch. Freq. (MHz) Ch. Freq. (MHz) Ch. Freq. (MHz)

1 446.00625 5 446.05625 9 446.10625 13 446.15625

2 446.01875 6 446.06875 10 446.11875 14 446.16875

3 446.03125 7 446.08125 11 446.13125 15 446.18125

4 446.04375 8 446.09375 12 446.14375 16 446.19375

Appendix B. – Technical Specifications

General Part

Frequency Range PMR446

Working temperature 0℃to +40℃

Operation Voltage DC 3.7 V ±10%

Operation Mode Simplex

Dimensions 147mm×57mm×25.5mm (with Antenna)

Weight 133g (Battery pack included)

Antenna Impedance 50ohm

Duty cycle 5/5/90%

Transmitter Part

RF Output Power ≤0.5W (PMR)

FM Modulation [email protected]

Adjacent Channel Power 60dB @ 12.5KHz

Transmission current ≤1000mA

Receiver Part

Receive Sensitivity 0.25μV (12dB SINAD)

Adjacent Channel Selectivity ≥[email protected]

Inter Modulation and Rejection ≥[email protected]

Conducted Spurious Emission ≤[email protected]

Rated Audio Power Output 1W @8 ohms

Rated Audio Distortion ≤5%

NOTE: All specifications may be modified without prior notice or liability.

Appendix C. – Trouble shooting guide

Phenomena

Analysis

Solution

You cannot turn on the radio.

The battery may be installed improperly.

Remove and reattach the battery.

The battery power may run out.

Recharge or replace the battery.

The battery may suffer from poor contact caused by dirty

or damaged battery contacts.

Clean the battery contacts or replace the battery.

During receiving, the voice is weak or

intermittent.

The battery voltage maybe low.

Recharge or replace the battery.

The volume level may be low.

Increase the volume.

The antenna maybe loose or maybe installed incorrectly.

Turnoff the radio, and then remove and reattach

the antenna.

The speaker maybe blocked.

Clean the surface of the speaker.

You cannot communicate with other

group members.

The frequency or signaling type maybe inconsistent with

that of other members.

Verify that your TX/RX frequency and signaling

type are correct.

You may be too far away from other members.

Move towards other members.

You hear unknown voices or noise.

You may be interrupted by radios using the same

frequency.

Change the frequency, or adjust the squelch level.

The radio in analog mode maybe set with no signaling.

Request your dealer to set signaling for the

current channel to avoid interference

You are unable to hear anyone because

of too much noise and hiss.

You may be too far away from other members.

Move towards other members.

You may be in an unfavorable position. For example, your

communication may be blocked by high buildings or

blocked in an underground area.

Move to an open and flat area, restart the radio,

and try again.

It may be the result of external disturbance (such as

electromagnetic interference).

Stay away from equipment that may cause

interference.

The radio keeps transmitting.

VOX may be turned on or the headset is not installed in

place

Turn off the VOX function. Check that the

headphones are in place.

NOTE: If the above solutions cannot fix your problems, or you may have some other queries, please contact your dealer for more

technical support.

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