iiTABLE OF CONTENTSIMPORTANT ........................................................................ iEXPLICIT DEFINITIONS ..................................................... iCAUTIONS .......................................................................... iTABLE OF CONTENTS ...................................................... ii1 PANEL DESCRIPTION ............................................. 1–5 Front panel ............................................................................ 1 Function LED ........................................................................ 2 Programmable function keys ................................................ 32 OPERATION ............................................................. 6–8 Turning power ON ................................................................ 6 Channel selection ................................................................. 6 Receiving and transmitting ................................................... 7D Transmitting notes .......................................................... 7D DTMF transmission ........................................................ 8D Scrambler function ......................................................... 8 User set mode ...................................................................... 8D Entering user set mode .................................................. 83 CONNECTION AND MAINTENANCE .................... 9–12 Rear panel and connection ................................................... 9 Supplied accessories .......................................................... 10 Mounting the transceiver...................................................... 11 Optional UT-96/UT-105/UT-109/UT110 installation ............. 11 Optional OPC-617 installation ............................................. 12 Antenna ............................................................................... 12 Fuse replacement ............................................................... 12 Cleaning ............................................................................. 124 OPTIONAL SmarTrunk II™ OPERATION ........... 13–15 SmarTrunk II™ and conventional modes ........................... 13 SmarTrunk II™ operation ................................................... 135 OPTIONS .................................................................... 16DO NOT use or place the transceiver in areas with tem-peratures below –30°C or above +60°C or, in areas subjectto direct sunlight, such as the dashboard.AVOID operating the transceiver without running the vehi-cle’s engine. The vehicle’s battery will quickly run out if thetransceiver is in transmission while the vehicle’s engine isOFF.AVOID placing the transceiver in excessively dusty envi-ronments.AVOID placing the transceiver against walls. This will ob-struct heat dissipation.AVOID the use of chemical agents such as benzine or al-cohol when cleaning, as they damage the transceiver sur-faces.BE CAREFUL! The transceiver will become hot whenoperating continuously for long periods.For U.S.A. onlyCAUTION: Changes or modifications to this transceiver, not ex-pressly approved by Icom Inc., could void your authority to operatethis transceiver under FCC regulations.