PT6808 Service Manual
Chapter 1 Overview
1.1 Introduction
This manual applies to the service and maintenance of PT6808-02 and PT6808-03 trunking
portable radios, and is intended for use by engineers and professional technicians that have been
trained by Kirisun. It contains all required service information for the equipment. Kirisun reserves
the right to modify the product structure and specifications without notice in order to enhance
product performance and quality. You can also contact your local dealer or us to get the latest service
manual.
Please read this manual before repairing the product.
1.2 Safety Precautions
* Electromagnetic Energy Radiation
Radios will generate and radiate electromagnetic energy during transmit mode.
The safety design of Kirisun radios complies with national and international standards.
In order to obtain best performance, and to guarantee that the electromagnetic radiation does no
harm to you, always keep the radio vertical to the ground and make sure that the microphone is
2-5cm from your mouth while using the radio.
* Electromagnetic Interference
In order to avoid electromagnetic interference, please turn off the radio in the place where such post
prompts you to do so, e.g. hospital, health care center, airport, etc.
* Explosive Atmosphere
It’s prohibited to use or repair the radio in the following places:
Hospital, health center, airport, or where “TURN OFF TWO-WAY RADIO” signs have been
posted.
Any area with a potentially explosive atmosphere (e.g. orlop deck of the ship, storage and
transportation equipment for fuel and chemical etc.)
Any place near blasting sites or area with electrical blasting cap.
It is also prohibited to change or charge the battery in any area with a potentially explosive
atmosphere.
* Antenna