Kirisun TM840 Service Manual

TM840 Service Manual
Chapter 1. Foreword
1.1. Scope of Manual
This manual is suitable for KIRISUN DMR digital mobile radio maintenance and repair. This manual is intended for use by
trained engineers and professional technicians for the maintenance and repair of TM840 digital mobile radio. Dada changes
in this manual may occur with the improvement of technology. To get the latest technology information, please contact us or
your local distributors.
Before repairing the radio, please read this manual.
1.2. Safety Precautions
Electromagnetic radiation
Radios generate and radiate electromagnetic energy, the security design of Kirisun radios’ electromagnetic radiation on
human meets national and international standards. To ensure the best communication and human security, please keep the
radio vertical to the ground, and keep the microphone 2-5 centimeters from the mouth.
Electromagnetic interference
To avoid electromagnetic interference, please turn off the radio in the place explicitly indicating the radio should be turned off,
for example, hospitals, health centers, airports, etc.
Explosive and harmful gases
In areas with explosive and harmful gases, such as the lower deck of the hull, fuel or chemical storage facilities,area where
the air contains chemicals or particles, dust or metal dust, it is better to turn off radios.
When close to the blasting area, electric blasting detonators, please turn off radios.
Replacing or recharging the batteries in potentially explosive atmospheres is prohibited.
Antenna damage
When the antenna is damaged, it is better not to use the radio. Damaged antenna could cause mild burns when contacting
with human skin.
Replacement parts
When replacing any replacement part, please be aware of the model. Do not arbitrarily replace the component that does not
match with the radio.
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Kirisun TM840 Specifications

General

Brand	Kirisun
Model	TM840
Category	Radio
Language	English