BestOpps T-388 Kids Walkie Talkies Channels 2-Way Radio Interphone User Guide

T-388
User’s Guide

****| Read this operating instruction carefully before using your T-388 two way
radio, including the part on Product Safety and RF Energy Exposure Compliance
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Product Inspection

Before initial use, please check if the product inside the box is in good condition or not. If there are any signs of damage or missing parts, please feel free to contact the carrier or seller.

Radio Parts and Controls

Product Features

Each unit takes 4 AAA batteries
Batteries are not included in the package. You need to prepare batteries first to get the units to work, and we recommend you always use high-quality AAA Alkaline batteries.

Belt Clip
Kids can clip the units to their pockets or elsewhere while they are on the go.
Call Tone Button
By pressing a button , you can inform other radio users in your group that you want to talk or have finished talking. When the button is pressed, a tone would be transmitted.
LCD Display
Various information is accessible at one glance, including channel number, CTCSS code, volume level, and another status of the radio.
On/Off Power Button
Press and hold this button to turn on/off the radio.
Lamp Button
By pressing the “LAMP” button to turn on/off the flashlight. Convenient for those who use the radio at night.
Scan Button
Press the button to detect channels with activities or stop scanning.
MENU/ Button
Switch on/off the functions you want to start or stop You can also lock the channel with this button.
Monitor-Button
Enable you to continuously monitor weak signals.
Talk Button
Press and hold this button to talk and let go to listen. Press and hold this button to talk and let go to listen.
Up and Down Key
To select channels, set CTCSS code, adjust the volume level, listening volume, and another usage.
Speaker/Mic/Charger Jack
You can use the unit with an external speaker/ mic, or give the unit a charge through this jack.

Product Features

TECHNICAL PARAMETERS

Product number| T-388
Frequency range| 462.550MHz-462.7250MHz
| 467.5625MHz-467.7125MH
Channel spacing| 12.5KHz
Working voltage| 6.0V
Frequency stability| ±2.5ppm
Operating temperature range| -20 C 50 C
The antenna impedance| 50Ω
Overall dimensions| 1405528mm
Weight| 79g
TRANSMITTER
Rf power| 0.5W
Modulation method| 11 k0F3E
Noise and harmonic| <-40dB
Residual Radiation| ≤-35dB
Modulation distortion| ≤7`)/c)
Maximum deviation| ≤-1-5KHz
RECEIVER

The sensitivity| ≤.2uV
Modulation receiver bandwidth| ±5KHz
Adjacent selective| ≥40dB
Intermodulation interference resistance| ≥35dB
Spurious response inhibition| ≥70dB
Audio output power| ≥300mW
Audio distortion| ≤8`%

Installation

How to assemble and remove the belt clip Slide the clip into the slot on the back of the radio until it is snapped into place.
-To remove
Gently pull the lock tab, and then push up the belt clip to remove it from the radio.
How to install or replace batteries
Make sure the radio is turned off; Remove the belt clip; Slide and lift the battery compartment cover; Insert 4 AAA batteries with correct polarity into per radio; Close the battery cover and attach the belt clip.
(Note: Please remove the batteries if the units are not used for a long time)
How to attach the strap to the belt clip
Thread the strap through the hole on the belt clip; Thread the other end of the strap through the string, then pull it to secure (See Pic 3).

Operation

Turning on the radio
Press and hold the button for three seconds. A short audible beep and a display of the LCD screen show that the radio is on.

Turning off the radio
Press and hold until an audible beep is heard and the screen disappears.

Adjusting volume level
Use the up/down key to increase or decrease the volume. And you can always find the volume level indicator in the lower right corner of the screen.

Receiving
The radio is ready to receive signals when it is tuned to the channel that has the same frequency and CTCSS code as the one that is transmitting. To receive signals, you also need to leave this very radio’s TALK button untouched. When signals have been received on the current channel, the RX icon will appear in the top left corner of the screen.
Transmitting
Press and hold the “TALK” button to talk to another person. Release the button for a response. TX Icon will appear in the top left corner of the screen when the radio is transmitting.
To get maximum clarity, please speak directly to the microphone and hold the mic 2 inches from your mouth.
Note: T-388 can only work together when the units are tuned to the same channel and have the same CTCSS code on that channel.

Channel Lock
Press and hold the MENU button until the icon appears on the screen, which indicates that the radio is locked to the current channel,

namely, you cannot switch it to another channel under this status. To unlock the channel lock function, press the MENU button again for about 2 seconds. namely, you cannot switch it to another channel under this status. To unlock the channel lock function, press
Flashlight
The radio is equipped with a flashlight function, which will bring a lot of convenience in the dark. Press the “LAMP” button to turn the flashlight on. And the process to turn it off is the same as turning it on, just press the “LAMP” button, that’s it.

Select Channel
These units have 8 Channels available for US and Canadian markets. To select any among the 8, you need to press the MENU button once, then the channel number on the screen will blink; Using the up/down key to select the channel you want to communicate on; Press the TALK button to choose the desired channel and return to normal mode. Or press the MENU button to confirm the channel and go to set CTCSS code.
Set CTCSS Code
Within a channel, you can partly avoid interference from other radios by setting CTCSS code (01-38) while code 00 refers to no privacy code is selected. To select any among the 38, you need to press the MENU button twice, then the CTCSS code on the screen will blink;

Using up/down key to select the code; Press the TALK button to confirm the desired code and go back to normal mode.
Note: T-388 can only work together when the units are tuned to the same channel and have the same CTCSS code on that channel.

VOX for Hands-free
When VOX is activated, there is no need to press the TALK button to talk. Tap the MENU button three times, then “VOX” and VOX sensitivity level (OF,01,02,03) will be displayed on the screen. You can adjust the VOX sensitivity level by pressing the up/ down key.

Note: OF means VOX function is inactivated; 03 is the highest sensitivity setting and 01 is the lowest. Therefore, level 03 is recommended when the radio is used in quiet surroundings and 01 for noisy environments.
Select Call Tone
To inform other radio users in your group that you want to talk or you have finished talking by transmitting a tone to their radios. Press the MENU button four times, then “CA” and call tone number (01, 02, 03, 04, 05, 06, 07, 08, 09, 10) will blink on the screen; Using up/down key to select the tone you prefer; Press TALK button to confirm the desired tone and go back to normal mode.

As to how to send the desired call tone to another party, please go and check “ Call another party” on the Page.

Channel Scan
Convenient to detect channels with activities. When the button is tapped, the radio will automatically scan for channels with activities. The scanning will stop when channels with activities are found, and the radio will play what it detects on that channel. To continue the scan, just press button .
Note: When a channel with activities is detected, you can join the conversation and back away from the scan by pressing the TALK button.

Call Another Party
Press the button to transmit a call tone to other radios in your group so that they can be prepared when you want to talk or you have finished talking. (See how to select call tone on Page) Note: Another party can only receive the call tone when the following requirements are met at the same time.

1. The receiving unit is on the same channel and shares the same CTCSS code as the unit that sends the call tone;
2. The receiving unit is within the communication range.

Monitor
To receive weak signals from other radios in your group, all you need to do is press the MON button.
If you want to continue the monitoring, please press the MON button for at least 3 seconds. And press the MON button again to stop.

Battery Level Indicator
Displayed in the lower right corner of the screen, convenient to know how much battery power is remained. When the indicator on the screen blinks, it means that the batteries need to be changed(when using regular AAA batteries) or charged(when using NiMH rechargeable batteries).
External Headset/Microphone Jack
The unit supports an external headset connection. To talk or listen through an external earpiece, you need to remove the rubber hole cap at the top of the unit, insert the favorable/suitable headphone plug into the accessory jack, and then put it on your earpiece.

Charging(Optional)
If you want the units to be rechargeable, please use rechargeable AAA batteries (not included). Then you can change the units by plugging the charger (not included) connector into the accessory jack and then connecting the other end of the charger to a general socket or somewhere else alike. Below is information on specially designated chargers and rechargeable AAA batteries.

Note When the external earpiece is applied Please adjust the volume level accordingly. Turn the radio off immediately if your ears feel uncomfortable or itchy with headsets on. Don’t use the units in places that might cause explosions or fire Such as gas stations, unshielded electrical installations, and other unsafe places.
Simple Maintenance Tips
Gently wipe the dust or dirt off with a dry soft clean cloth. Don’t use any cleaning chemicals, as they can damage the units. When the radio is dropped into water, turn it off immediately. Dry the outside of the radio with a clean and soft cloth. Remove batteries and dry them, too. Put the unit in a cool dry place to dry out all moisture. In case that any other problem or malfunction occurs during your use, please don’t disassemble the radio’s circuit or hardware by yourself. You are welcome to send the unit back to the seller or contact our customer service for help.
Troubleshooting

1. Couldn’t turn the units on
   A. Check if batteries are installed properly;
   B. Check if batteries need to be changed (when using regular batteries), or charged (when using NiMH batteries)

2. When reception or transmission is poor,
   A. Increasing volume level; Pressing Mon button to receive weak signals

Product Features

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

| Before using this radio, read this guide which contains important
operating instructions for safe usage and RF energy awareness and control for compliance with applicable standards and regulations.
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This two-way radio uses electromagnetic energy in the radio frequency (RF) spectrum to provide communications between two or more users over a distance. RF energy, which when used improperly, can cause biological damage. All two- way radios are designed, manufactured, and tested to ensure they meet government-established RF exposure levels. In addition, manufacturers also recommend specific operating instructions to users of two-way radios. These instructions are important because they inform users about RF energy exposure and provide simple procedures on how to control it. Please refer to the following websites for more information on what RF energy exposure is and how to control your exposure to assure compliance with established RF exposure limits:http://www.who.int/en/
Local Government Regulations
When two-way radios are used as a consequence of employment, the Local Government Regulations requires users to be fully aware of and able to control requires users to be fully aware of and able to control their exposure to meet occupational requirements. Exposure awareness can be facilitated by the use of a product label directing users to specific user awareness information. Your two-way radio has an RF Exposure Product Label. Also, your user manual or separate safety booklet includes information and operating instructions required to control your RF exposure and to satisfy compliance requirements.
Radio License
Governments keep the radios in classification, business two-way radios operate on radio frequencies that are regulated by the local radio management departments (FCC, ISED, OFCOM, ANFR, BFTK, Bundesnetzagentur…).To transmit on these frequencies, you are required to have a license issued by them. For the detailed classification and the use of your two radios, please contact the local government radio management departments. Use of this radio outside the country where it was intended to be distributed is subject to government regulations and may be prohibited.
Unauthorized modification and adjustment
Changes or modifications not expressly approved by the party responsible for compliance may void the user’s authority granted by the local government radio management departments to operate this radio and should not be made. To comply with the corresponding requirements, transmitter adjustments should be made only by or under the supervision of a person certified as technically qualified to perform transmitter maintenance and repairs in the private land mobile and fixed services as certified by an organization representative of the user of those services. Replacement of any transmitter component (crystal, semiconductor, etc.) not authorized by the local government radio management departments equipment authorization for this radio could violate the rules.
FCC Requirements:
This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. (Licensed radios are applicable); This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (Other devices are applicable) (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
NOTE:

• (If applicable)This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

• (If applicable)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
  —Reorient or relocate the receiving antenna.
  —Increase the separation between the equipment and receiver.
  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  —Consult the dealer or an experienced radio/TV technician for help.
  CE Requirements:

• (Simple EU declaration of conformity) Shenzhen Technology Co., Ltd. declares that the radio equipment type is in compliance with the essential requirements and other relevant provisions of RED Directive 2014/53/EU and the ROHS Directive 2011/65/EU and the WEEE Directive 2012/19/EU;

• Restriction Information
  This product can be used in EU countries and regions, including Belgium (BE), Bulgaria (BG), Czech Republic (CZ), Denmark (DK), Germany (DE), Estonia (EE), Ireland (IE), Greece (EL), Spain (ES), France (FR), Croatia (HR), Italy (IT), Cyprus (CY), Latvia (LV), Lithuania (LT), Luxembourg (LU), Hungary (HU), Malta (MT), Netherlands (NL), Austria (AT), Poland (PL), Portugal (PT), Romania (RO), Slovenia (SI), Slovakia (SK), Finland (FI), Sweden (SE) and United Kingdom (UK). For the warning information of the frequency restriction, please refer to the package or manual section.

• Disposal
  The crossed-out wheeled bin symbol on your product, literature, or packaging reminds you that in the European Union, all electrical and electronic products, batteries, and accumulators (rechargeable batteries) must be taken to designated collection locations at the end of their working life. Do not dispose of these products as unsorted municipal waste. Dispose of them according to the laws in your area.
  IC Requirements:
  Licence-exempt radio apparatus This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : (1) l’appareil ne doit pas produire de brouillage; (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.
  RF Exposure Information(if applicable)

• DO NOT operate the radio without a proper antenna attached, as this may damage the radio and may also cause you to exceed RF exposure limits. A proper antenna is an antenna supplied with this radio by the manufacturer or an antenna specifically authorized by the manufacturer for use with this radio, and the antenna gain shall not exceed the specified gain by the manufacturer declared.

• DO NOT transmit for more than 50% of total radio use time, more than 50% of the time can cause RF exposure compliance requirements to be exceeded.

• During transmissions, your radio generates RF energy that can possibly cause interference with other devices or systems. To avoid such interference, turn off the radio in areas where signs are posted to do so.

• DO NOT operate the transmitter in areas that are sensitive to electromagnetic radiation such as hospitals, aircraft, and blasting sites.

• Portable Device, this transmitter may operate with the antenna(s) documented in this filing in Push-to-Talk and body-worn configurations. RF exposure compliance is limited to the specific belt-clip and accessory configurations as documented in this filing and the separation distance between the user and the device or its antenna shall be at least 2.5 cm.

• Mobile Device, during operation, the separation distance between the user and the antenna subjects to actual regulations, this separation distance will ensure that there is sufficient distance from a properly installed externally-mounted antenna to satisfy the RF exposure requirements.

• Occupational/Controlled Radio, this radio is designed for and classified as “Occupational/Controlled Use Only”, meaning it must be used only during the course of employment by individuals aware of the hazards, and the ways to minimize such hazards; NOT intended for use in a General population/uncontrolled environment.

• General population/uncontrolled Radio, this radio is designed for and classified as “General population/uncontrolled Use”.

RF Exposure Compliance and Control Guidelines and Operating Instructions
To control your exposure and ensure compliance with the occupational/controlled environment exposure limits, always adhere to the following procedures.

Guidelines:

• User awareness instructions should accompany the device when transferred to other users. •Do not use this device if the operational requirements described herein are not met.
  Operating Instructions (if applicable):

• Transmit no more than the rated duty factor of 50% of the time. To Transmit (Talk), push the Push to Talk (PTT) button. To receive calls (listen), release the PTT button. Transmitting 50% of the time, or less, is important because the radio generates measurable RF energy exposure only when transmitting in terms of measuring for standards compliance.

• Transmit only when people outside the vehicle are at least the recommended minimum lateral distance away from a properly installed according to installation instructions, externally mounted antenna.

• When operating in front of the face, worn on the body, always place the radio in an approved clip, holder, holster, case, or body harness for this product. Using approved body-worn accessories is important because the use of Non- approved accessories may result in exposure levels, which exceed the IEEE/ICNIRP RF exposure limits.

Hand-held Mode(if applicable)

• Hold the radio in a vertical position with the microphone (and other parts of the radio including the antenna) at least 2.5 cm (one inch) away from the nose or lips. The antenna should be kept away from the eyes. Keeping the radio at a proper distance is important as RF exposure decreases with increasing distance from the antenna.

Phone Mode(if applicable)

• When placing or receiving a phone call, hold your radio product as you would a wireless telephone. Speak directly into the microphone.
  Electromagnetic Interference/Compatibility
  NOTE: Nearly every electronic device is susceptible to electromagnetic interference (EMI) if inadequately shielded, designed, or otherwise configured for electromagnetic compatibility.
  Avoid Choking Hazard
  Small Parts. Not for children under 3 years.
  

Turn off your radio power in the following conditions:

• **** Turn off your radio before removing (installing) a battery or accessory or when charging the battery.
• Turn off your radio when you are in a  potentially hazardous environments: Nearelectrical blasting caps, in a blasting area, in explosive atmospheres (inflammable gas, dust particles, metallic powders, grain powders, etc.).
• Turn off your radio while taking on fuel or while parked at gasoline service stations. To avoid electromagnetic interference and/or compatibility conflicts
• Turn off your radio in any facility where posted notices instruct you to do so, hospitals or health care facilities (Pacemakers, Hearing Aids, and Other Medical Devices) may be using equipment that is sensitive to external RF energy.
• Turn off your radio when onboard an aircraft. Any use of a radio must be in accordance with applicable regulations per airline crew instructions.

Protect your hearing:
WARNING

• Use the lowest volume necessary to do your job
• Turn up the volume only if you are in noisy surroundings.
• Turn down the volume before adding a headset or earpiece.
• Limit the amount of time you use headsets or earpieces at high volume.
• When using the radio without a headset or earpiece, do not place the radio’s speaker directly against your ear
• Use care with the earphone maybe possible excessive sound pressure from earphones and headphones can cause hearing loss
  Note: Exposure to loud noises from any source for extended periods of time may temporarily or permanently affect your hearing. The louder the radio’s volume, the less time is required before your hearing could be affected. Hearing damage from loud noise is sometimes undetectable at first and can have a cumulative effect.

Avoid Burns Antennas

• ** Do not use any portable radio that has a damaged antenna. If a damaged antenna comes into contact with the skin when the radio is in use, a minor burn can result.
  Batteries (If appropriate)**

• When the conductive material such as jewelry, keys or chains touch exposed terminals of the batteries, may complete an electrical circuit (short circuit the battery) and become hot to cause bodily injury such as burns. Exercise care in handling any battery, particularly when placing it inside a pocket, purse, or another container with metal objects
  Long transmission

• When the transceiver is used for long transmissions, the radiator and chassis will become hot.

Safety Operation

• ****Do not use charger outdoors or in moist environments, use only in dry locations/conditions.
• Do not disassemble the charger, that may result in a risk of electrical shock or fire.
• Do not operate the charger if it has been broken or damaged in any way.
• Do not place a portable radio in the area over an airbag or in the airbag deployment area. The radio may be propelled with great force and cause serious injury to occupants of the vehicle when the airbag inflates. To reduce risk
• Pull by the plug rather than the cord when disconnecting the charger.
• Unplug the charger from the AC outlet before attempting any maintenance or cleaning.
• Contact for assistance regarding repairs and service.
• The adapter shall be installed near the equipment and shall be easily accessible

Approved Accessories

• **** This radio meets the RF exposure guidelines when used with the accessories supplied or designated for the product. Use of other accessories may not ensure compliance with the RF exposure guidelines and may violate regulations.

MADE IN CHINA

Documents / Resources

| BestOpps T-388 Kids Walkie Talkies Channels 2-Way Radio Interphone [pdf] User Guide
T-388, T388, 2AQJJT-388, 2AQJJT388, T-388, Kids Walkie Talkies Channels 2-Way Radio Interphone
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References

• 极速PDF编辑器下载官方网站-www.jisupdfeditor.com
• World Health Organization (WHO)

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