Common Troubleshooting - Retevis RT642 Handbuch

Common troubleshooting:

Trouble Solution
The battery is low and needs to be charged before
Not turning on
use.
Confirm that the ptt button is fully pressed or the
Not transmitting battery is low when transmitting, limiting the
emission
Confirm that the channels on both sides are the
same
Confirm that the ptt button on the headset is
Not receiving
completely released when receiving
Obstacle, indoor or in-car use may interfere with
the call, please change your location
Hearing other
External interference is too large, please increase
during the call
the squelch level
(Call or noise)
1. Building groups, wood, etc. will narrow the call
range and check if the line of sight is wide.
Limited call
Please change your location.
range
2. The walkie-talkie is worn on the body, such as a
pocket or upstairs to reduce the range of calls,
please change the position of the walkie-talkie
Smaller or
Please pay attention to the volume adjustment
louder voice
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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.
ATTENTION!
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 Retevis 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 their exposure to meet occupational requirements. Expo-
sure awareness can be facilitated by the use of a product label directing
users to specific user awareness information. Your Retevis two-way
radio has a RF Exposure Product Label. Also, your Retevis 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 mana-
gement departments (FCC, ISED, OFCOM, ANFR, BFTK, Bundesnetz-
agentur...).To transmit on these frequencies, you are required to have a
license issued by them. 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 distrib-
uted is subject to government regulations and may be prohibited.
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