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Retevis RB75 - Table of Contents

Retevis RB75
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Safety notice
In order to your safe and efficient use of this walkie-talkie, please read the following information.
The maintenance work of the walkie-talkie can only be carried out by professional and technical personnel,
please do not disassemble the walkie-talkie by yourself.
In order to avoid problems caused by electromagnetic interference or electromagnetic compatibility, please turn
off the walkie-talkie in places where the "turn off the walkie-talkie" sign is affixed, such as hospitals and other
healthcare and medical places. When taking an airplane, when the crew asks to turn off the walkie-talkie, please
turn off the walkie-talkie.
In a car with an airbag, do not place the walkie-talkie in the area that may be involved in the deployment of the
airbag.
Please turn off the walkie-talkie before entering the flammable and explosive environment.
Do not replace or charge the battery in a flammable or explosive environment.
Turn off the walkie-talkie before approaching the blasting zone and lightning zone.
Do not use a walkie-talkie with a damaged antenna. The damaged antenna may cause slight burns if it touches
the skin.
Make sure that the antenna is correctly installed when the walkie-talkie is in use. A walkie-talkie without an
antenna can easily damage the walkie-talkie when transmitting signals.
When the portable walkie-talkie is transmitting, keep the walkie-talkie in a vertical position and keep the
microphone about 5 cm away from the mouth.
If you wear a portable walkie-talkie on your body, please make sure that the antenna is at least 2.5 cm away
from your body when the walkie-talkie is transmitting.
Battery
If some conductive material on your body comes into contact with the exposed battery terminals, it may damage
property and/or cause personal injury such as burns. These conductive materials include jewelry, keys or bead
necklaces, which form a circuit with the battery (cause a short circuit), and quickly heat up and cause burns. Be
cautious when handling charged batteries, especially when you put them in your pockets, purses, or other
containers with metal objects. To reduce the risk of injury, the battery must not be exposed to fire, disassembled, or
crushed.
The maximum ambient temperature around the charger's power supply or transformer cannot exceed 40°C
(104°F).
When charging, turn off the power of the walkie-talkie with battery. Using the walkie talkie when charging
prevents the battery from charging properly.
Don't plug the walkie-talkie and battery into the charger when it is not needed. Continuous charging will shorten
the battery life. Do not use the charger as a storage base for the walkie-talkie.
In order to achieve the best use and safety effect, it is recommended to replace the battery after one year of use.
Contents
Quick reference..................................................................................................................................................
Brief instructions for use..................................................................................................................................
Open box to check…..........................................................................................................................................
Battery information............................................................................................................................................
Accessories installation....................................................................................................................................
Familiar with this machine................................................................................................................................
Programmable buttons......................................................................................................................................
LED indication....................................................................................................................................................
Basic operation..................................................................................................................................................
Channel settings................................................................................................................................................
General functions and operations....................................................................................................................
Common failure phenomena and troubleshooting methods.........................................................................
warning…............................................................................................................................................................
Warranty Card.....................................................................................................................................................
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