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POFUNG BF-1904 User Manual

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User ManualFCC Version Draft
This manual is applicable to the following product:
P53U,BF-1903,P53UH,P53UL,P53XP54U,BF-1904,P54UM,P54G,P54X
ATTENTION
This is a multi-task GMRS transceiver. Combining the latest technology in radio communication along with a sturdy
mechanical frame, Radio 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.
To help you ward off bodily injury or property loss that may arise from improper operation, please read all the information
carefully before using our products.
Use the two way radio in the environment with the temperature between -10 ~ 40, otherwise, it may damage your
two way radio. It can be operating under 2000m.
Long-term high-power channel transmitter, the radio fever is a normal phenomenon, but we do
not recommend you for a long time at high power transmitter, do not use the radios in without
installing an antenna or antenna damaged.
Intended Use
Our products are designed to provide reliable wireless communication services for users across many industry sectors. In
order to use the products safely and to achieve the best performance, they must be used as intended. The operator of the
product is responsible for damage to the product or damage caused by the product if the product was used beyond the
intended use instructions.
Intended use includes that:
The product is used by users who have full knowledge of its RF exposure and can exercise control over their RF exposure
to meet the occupational limits in FCC/ICNIRP and international standards.
All the security instructions set forth in this document are always heeded.
The general, national and in-house safety regulations are heeded.
The product is exclusively used with the frequencies licensed by the respective authority.
The product is configured appropriately by the dealer.
Besides, intended use also requires the product operator to be well-trained and to be familiar with the applicable
standards, regulations and provisions.
REGULATORY Information
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of FCC
Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
This equipment generates and can radiate radio frequency energy. If not installed and used in accordance with the
instructions, it may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. Verification of harmful interference by this equipment to radio or television
reception can be determined by turning it off and then 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.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority
to operate the equipment. This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
FCC License required for GMRS operation (Only applicable for GMRS radio use in the US)
The radios operate on GMRS frequencies which require an FCC license. You must be licensed prior to operating on
channels 1~16, which comprise the GMRS channels of the radio.
Serious penalties could result from unlicensed used of GMRS channels,in viola-tion of FCC rules,as stipulated in the
communications acts secitions 501 and 502 (amended).

Questions and Answers:

POFUNG BF-1904 Specifications

General IconGeneral
Frequency Range400-470 MHz
Channel Capacity16
Number of Channels16
Operating Voltage7.4 V
Output Power5W
BatteryLi-ion

Summary

Intended Use

REGULATORY Information

FCC License for GMRS Operation

Details FCC licensing requirements for using GMRS frequencies in the US.

RF EXPOSURE INFORMATION

Hand-held RF Exposure

Specifies spacing for hand-held operation to comply with RF exposure limits.

Body-worn RF Exposure

Outlines RF exposure compliance for body-worn accessories.

Battery Precautions and Handling

Charging Prohibitions

Lists unsafe conditions and locations for charging batteries.

Maintenance Instructions

Provides guidelines for maintaining battery health and longevity.

Transportation Instructions

Details safety measures for transporting batteries.

Disposal and General Care

Precautions for Disposal

Guidance on proper disposal of the product and batteries.

General Care and Safety

Offers general advice for maintaining the radio and ensuring user safety.

Optional Programming Software

Package Contents

Main Product Features

Coverage and Range

Battery Recharge and Care

Charging the Battery Pack

Instructions for the initial and subsequent charging of the Li-ion battery.

Charger Supplied

Specifies the use of the provided charger for safety and performance.

Li-ion Battery Caution

Advises on safe handling and charging practices for Li-ion batteries.

Charging Procedure and Indicators

Accessory Installation

Installing the Belt Clip

Step-by-step guide for attaching the belt clip to the radio.

Battery Pack Installation

Removing the Battery Pack

Instructions on how to detach the battery from the radio.

Optional Accessory Connection

Main Controls Overview

Radio Operations

Power and Volume Adjustment

How to turn the radio on/off and adjust the volume level.

Transmitting and Receiving

Procedures for communicating, including PTT usage and channel selection.

Monitor Function

How to use the monitor feature to listen for weak signals.

Advanced Operations

Scan Function

Enabling and using the channel scanning feature.

FM Radio Function

How to listen to FM radio stations.

Language Selection

Switching the user interface language between English and Chinese.

Squelch Adjustment

Configuring squelch levels for noise suppression.

CTCSS/DCS Tones

Using privacy codes for selective communication.

VOX Functionality

Enabling hands-free transmission via voice activation.

Online Support

Troubleshooting Guide

Technical Specifications

Disclaimer

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