Contents ................................................ 2About this manual ................................ 2Introduction ........................................... 1Quick Guide .......................................... 2Controls & Connections ...................... 3Transceiver ............................................ 3Display ................................................... 5The Keypad Functions ........................... 7Preparation ............................................ 8Installing the Antenna ............................ 8Attaching the Belt Clip ........................... 8Installing the Battery Pack .................... 8Removing the Battery Pack ............. 8Supplied Accessories and Options .... 9Supplied Accessories ............................ 9Available Options ................................... 9Charging the Battery Pack ................... 9Charging the Battery Pack using theRapid Charger (SBH-22) ....................... 9Operation ............................................. 10Changing between VFO mode andMemory mode ...................................... 10Selecting the Operating Band ............. 10Tuning to a Frequency(Two ways) ...... 10Changing the Frequency Step ("AUTO"for normal operation) ...................... 11Adjusting the squelch setting .............. 11Transmission ........................................ 12Changing the Transmission Power Level................................................................12Locking Keys and PTT switch ............. 13Tone Calling (1750 Hz) ....................... 13Using the Memory .............................. 14Registering to Memory Channels ....... 15Memory Recall ..................................... 15Clearing Memories .............................. 16Recalling the Home Channels ............ 16Changing the Home Channel Frequency................................................................16Memory Channel Scanning ................. 17Setting the Receive Operation WhenScanning Stops .................................... 17Using Memory Tag .............................. 18Using Memory Bank ............................ 18Scanning Function ............................. 18VFO Scan ............................................. 18Using Set Mode ................................... 19Tables of Set Mode Operations .......... 19Restoring to Defaults (Reset) / Settingthe Preferred Operating Mode ........... 23Specifications ..................................... 24ContentsAbout this manualReference icon symbols and conventions are used in this manual. Theirmeanings are described in the below chart.Symbols DescriptionThis icon indicates cautions and information that should be read.This icon indicates notes, tips and information that should be read.This icon indicates other pages containing relevant information.This icon indicates FT-4X Advance Manual on the YAESU Websitecontaining relevant information.