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Please read carefully the Safety Information and Warranty Card before using the product.
Caution for Using the Battery
Explosion may be incurred by using a battery of a non-supplied model, or by shorting the anode and cathode of
the battery.
Charge the battery using the attached charger, and dispose it as instructed.
Do not strike, squeeze, short out or disassemble the battery.
Do not put the battery in a high temperature or throw it into a fire.
Stop using the battery if it is seriously bulged or immersed in water.
Installing the Battery
1. Press the upper part of the belt clip gently so that it goes up. (Figure ①)
2. Align the battery with the battery holder at the back of the radio, and then insert the battery. (Figure ②)
3. Push the battery in the direction indicated until the latch is in position. (Figure ③)
4. Press the upper part of the battery until it is latched. (Figure ④)
Installing/Uninstalling the Antenna
Insert the threaded end of the antenna into the antenna interface, and rotate the antenna tight clockwise. (Figure 1)
To uninstall the antenna, rotate it counterclockwise. (Figure 2)
Charging the Battery
1. Plug the power adapter into a qualified AC power socket.
2. Connect the USB cable of the power adapter to the USB port at the back of the desktop charger. Green indicator
light is on.
3. Insert the battery only or together with the radio into the charger.
4. Make sure the battery contacts the charging terminals properly and red indicator light is on.
5. When the indicator light turns from red to green, charging is finished.
6. After this, wait 1 to 2 hours before taking out the battery to achieve the best performance.
UP305/ UP405 DMR Two-way Radio
Quick User Guide

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Summarization of Contents

Battery Safety Precautions
Caution for Using the Battery
Important safety precautions for battery usage to prevent explosion or damage.
Radio Setup and Installation
Installing the Battery
Step-by-step guide on how to correctly install the battery into the radio.
Installing/Uninstalling the Antenna
Instructions for attaching and detaching the antenna to the radio unit.
Charging the Battery
Guidance on how to charge the radio's battery using the provided charger.
Installing/Uninstalling Belt Clip
Instructions for attaching and removing the belt clip from the radio.
Installing an Earphone
Steps to connect an optional earphone to the radio for private listening.
Basic Operation
Powering On/Off
How to turn the radio on and off using the Power/Channel knob.
Selecting a Channel
Procedure for choosing a different channel on the radio.
Adjusting the Volume
How to increase or decrease the audio volume level.
Initiating a Call
How to start a call by pressing the PTT key.
Receiving a Call
Information on how to know when a call is received.
Answering a Call
Steps to respond to incoming calls on digital and analog channels.
Digital/Analog Switching
How to switch between digital and analog modes.
Time-out Timer (TOT)
Explanation of the Time-out Timer feature to limit transmission duration.
Advanced Features
Scan Feature
How the radio scans for active channels.
Initiating Call During Scan
How to transmit on a preset channel while scanning.
Stun/Revive Function
Details on the Stun/Revive feature for digital mode.
Emergency Alarm
How to send and cancel emergency alarms, including alarm modes and types.
Programmable Keys
Explanation of how programmable keys can be set up for specific functions.
Status Indicators and Troubleshooting
LED Indicator
Explanation of the meaning of different LED light states and colors.
Icons (UP405S Only)
Description of icons displayed on the UP405S model.
Troubleshooting
Common problems and their solutions for the radio.
Power-on Failure
Troubleshooting steps for when the radio fails to power on.
Low Voice During Call
Solutions for issues with low audio volume during calls.
Failed to Transmit or Receive
Resolving issues related to not being able to transmit or receive.
Regulatory and Compliance
European Frequency Restrictions
Frequency ranges valid for use in various European countries.
Electronic Equipment Recycling
Information on proper disposal and recycling of electronic waste.
Battery Disposal
Guidance on the correct disposal of the radio's rechargeable battery.
FCC & IC Radiation Exposure Statement
Statements regarding FCC and IC compliance for radiation exposure.
RF Exposure Control
Guidelines for users to control RF exposure and comply with limits.