ContentsIntroduction ...................................................... 1Specifications .................................................... 2Accessories & Options ...................................... 3Supplied Accessories ..................................... 3Optional Accessories ...................................... 3Installation ........................................................ 4Preliminary Inspection ................................... 4Installation Tips .............................................. 4Safety Information .......................................... 5Antenna Considerations ................................. 6Mobile Installation ......................................... 8Transceiver Installation .............................. 8Mobile Power Connections ........................ 9Mobile Speakers ......................................... 9Base Station Installation ............................... 10AC Power Supplies .................................. 10Packet Radio Terminal Node Controller .. 10Front Panel Controls & Switches .................. 12LCD .................................................................. 16Rear Panel Connections ................................. 17MH-48A6J Microphone .................................... 18MH-42B6JS Microphone .................................. 19Basic Operation .............................................. 20Turning the Transceiver On and Off ............ 20Adjusting the Squelch Setting ...................... 20Selecting the Operating Band ....................... 20Selecting the Frequency Band ...................... 21Frequency Navigation .................................. 22Tuning Dial .............................................. 22Direct Keypad Frequency Entry .............. 22Scanning ................................................... 22Transmission ................................................ 23Changing the Transmitter Power Level ... 23Advanced Operation ...................................... 24Lock Feature ................................................. 24Keyboard Beeper .......................................... 24Channel Step Selection ................................ 24Display Brightness ....................................... 25Band Linking ................................................ 25Audio Muting ............................................... 26RF Squelch ................................................... 26Repeater Operation ........................................ 27Repeater Shifts ............................................. 27Automatic Repeater Shift (ARS) .................. 27Manual Repeater Shift Activation ................ 28Changing the Default Repeater Shift ....... 28CTCSS/DCS Operation .................................. 29CTCSS Operation ......................................... 29DCS Operation ............................................. 30Tone Search Scanning .................................. 31Memory Operation ......................................... 32Regular Memory Channel Operation ........... 32Memory Storage ....................................... 32To Append an Alpha-numeric“Tag” to a Memory ............................... 33Storing IndependentTransmit Frequencies (“Odd Splits”) .... 33Memory Recall ......................................... 34Memory Offset Tuning ............................ 34Deleting Memories ................................... 34HOME Channel Memory ......................... 35Memory Bank Operation ......................... 36Memory Only Mode ................................. 36Hyper Memory Mode ................................... 37Hyper Memory Storage ............................ 37Hyper Memory Recall .............................. 37Scanning .......................................................... 38Setting the Scan-Resume Technique ............ 38VFO Scanning .............................................. 39Memory Scanning ........................................ 40How to Skip (Omit) a ChannelDuring Memory Scan Operation ..... 40Preferential Memory Scan ....................... 41Programmable (Band Limit) Memory Scan ... 42“Priority Channel” Scanning (Dual Watch) ... 43Smart Search ................................................... 44ARTS TM: Auto Range Transponder System .... 46Basic ARTS Setup and Operation ................ 46CW Identifier Setup ..................................... 47DTMF Autodialer Operation ........................ 48Internet Connection Feature ......................... 50Miscellaneous Settings .................................... 52Time-Out Timer ........................................... 52Automatic Power Off ................................... 52Programming the Key Assignment .............. 53FM Bandwidth & MIC Gain Control ........... 54DCS Code Inversion .................................... 55Cross Band Repeater Operation ................... 56Reset Procedure .............................................. 57Cloning ............................................................ 58Menu (“Set”) Mode ........................................ 59