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General| Brand | Retevis |
|---|---|
| Model | RB628 |
| Category | Two-Way Radio |
| Language | English |
Explanation of icons and indicators shown on the LCD screen, including status and warnings.
Step-by-step instructions for correctly installing the rechargeable Li-ion battery.
How the battery level is displayed and the warning system for low battery conditions.
Instructions for connecting and using the charger to recharge the radio.
Steps to power the walkie-talkie on and off, including boot prompt details.
Guide to adjusting the radio's volume level, including mute function.
Procedure for transmitting (PTT) and receiving signals, including icon indicators.
Explanation of the Time-Out Timer (TOT) function and its transmission limit.
Instructions on how to select and save a specific communication channel on the radio.
Details on selecting tone codes for confidential communication and reducing interference.
Procedure to set and select custom calling tones for the radio's alert system.
Guide to activating and configuring the Voice Operated Exchange (VOX) function for hands-free transmission.
Accessing the power setting menu, indicated by 'Pr' on the screen.
How to activate and use the scanning function to find active channels and signals.
Instructions for enabling or disabling the Roger beep confirmation tone upon call end.
Overview of the functions assigned to each key on the walkie-talkie for operation.
Explanation of the keyboard lock function to prevent accidental setting changes.
Description of the automatic power saving mode to extend battery life.
Instructions for connecting and using headphones with the walkie-talkie.
Information about the programming software for customizing radio functions.
Detailed technical specifications including frequency range, power, and receiver sensitivity.
List of PMR channels with corresponding frequencies and maximum power output.
Awareness of local regulations for radio usage and exposure control.
Information regarding the requirement for a license to operate radios on specific frequencies.
Warnings against modifying the radio, which can void authority and cause compliance issues.
Details on compliance with FCC Rules, including interference and operational conditions.
Information on EU declarations of conformity for RED and ROHS directives.
Compliance with Canadian Innovation, Science and Economic Development's licence-exempt RSS.
Guidance on RF energy exposure limits and safe operating practices.
General awareness and user instructions for controlling RF exposure.
Specific operational procedures to ensure RF exposure compliance.
Proper way to hold the radio in hand to minimize RF exposure.
How to hold the radio when making or receiving calls, similar to a phone.
Note on susceptibility of electronic devices to electromagnetic interference (EMI).
Warning about small parts being a choking hazard for children under 3 years.
Advice on protecting hearing by using appropriate volume levels and limiting headset use.
Precautions related to potential burns from antennas or batteries.
Warning about the radiator and chassis becoming hot during extended transmissions.
Information on using manufacturer-approved accessories for RF exposure compliance.
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