Use and Care Manual

2
Uniden is a registered trademark of Uniden America Corporation.
Bearcat is a registered trademark of Uniden America Corporation.
Features, specications, and availability of optional accessories are all subject to
change without notice.
CONTENTS
UNPACKING .......................................................................................................3
DESCRIPTION ....................................................................................................3
EMERGENCY OPERATION ................................................................................3
CONTROLS AND FUNCTIONS ...........................................................................4
INSTALLATION ..................................................................................................6
MOBILE STATION INSTALLATION .............................................................. 6
Mobile Station Antenna .............................................................................. 6
Connecting the Power Cords ...................................................................... 6
Ground Information ................................................................................... 7
INSTALL 6PIN TO 4PIN ADAPTER ............................................................. 7
MARINE INSTALLATION ............................................................................... 7
USING YOUR BEARCAT 680 ..............................................................................7
S/RF METER ................................................................................................... 7
TO RECEIVE .................................................................................................... 8
TO TRANSMIT ............................................................................................... 8
PREVENTIVE MAINTENANCE ...........................................................................9
MAINTENANCE .................................................................................................9
TROUBLESHOOTING ......................................................................................10
SERVICING YOUR TRANSCEIVER ...................................................................10
SPECIFICATIONS ..............................................................................................11
TWOYEAR EXTENDED WARRANTY ..............................................................12
RADIO CODE DEFINITIONS ............................................................................14