HYT TC-446, Service Manual

Page: 4 / 54

TC- 446 Service Manual
－
2
－
General

Manual Scope
This manual is intended for use by experienced technicians familiar with similar types of
communication equipment. It contains all service information required for the equipment and is
current as of the publication date.

User Safety Information
The following precautions are recommended for personnel safety:

DO NOT transmit until all RF connectors are verified secure and any open connectors are
properly terminated.

SHUT OFF and do not operate this equipment near electrical blasting caps or in an explosive
atmosphere.

When in vehicles with an airbag, do not place a portable radio in the area over an airbag or in the
airbag deployment area.

Do not expose the radio to direct sunlight for a long time nor place it close to a heating source.

Do not use any portable radio with a damaged antenna. If a damaged antenna comes into contact
with your skin, a minor burn may result.

When transmitting with a portable radio, hold the radio in a vertical position with its microphone
about 5 centimeters away from your mouth.

If you wear a portable radio on your body, be sure to keep the antenna at least 2.5 centimeters
away from your head or body when transmitting.

This equipment should be serviced by qualified technicians only.