3CW Mode Operation .....................................54Adjusting the Sidetone Audio level .............. 54CW Delay Time Setting ............................... 54CW Decode ..................................................... 55CW Spotting (Zero-Beating) ............................ 55Setting of the Electronic Keyer ........................ 56Adjusting the Keyer Speed .......................... 56Setting the Keyer Weight (Dot/Dash) Ratio ... 56Reversing the Keyer Polarity ....................... 56Selecting the Keyer Operating Mode .......... 56Contest Memory Keyer .................................... 57Message Memory ........................................ 57Storing a Message into Memory.................. 57Message Memory Programming(Using your Paddle)..................................... 57Checking the CW Memory Contents ........... 58On-The-Air CW Message Playback ............ 58TEXT Memory ............................................. 59Text Memory Storage .................................. 59Text Message Programming........................ 59Checking the CW Memory Contents ........... 60On-The-Air CW Message Playback ............ 60FM Mode Operation......................................61Repeater Operation ......................................... 61Tone Squelch Operation .................................. 61RTTY (FSK) Operation .................................62Connecting to a Personal Computer ............... 62Connecting to the TU (Terminal Unit) .............. 62RTTY Decode .................................................. 63RTTY Text Memory .......................................... 64Text Message Programming onTFT Screen ................................................. 64Text Message Programming onFH-2 Remote Controller .............................. 64Text Input ..................................................... 64On-The-Air RTTY Text Message Playback.. 64DATA (PSK) Operation .................................65Connecting to a Personal Computer ............... 65Connecting to the Data CommunicationsDevice ............................................................. 65PSK Decode .................................................... 66PSK Text Memory ............................................ 67Text Message Programming onTFT Screen ................................................. 67Text Message Programming onFH-2 Remote Controller .............................. 67Text Input ..................................................... 67On-The-Air PSK Text Message Playback.... 67Memory Operation ........................................68Memory Storage .......................................... 68Erasing Memory Channel Data ................... 68Check Memory Channel Status................... 69Recall a Memory Channel other thanthe last used VFO frequency ....................... 69Memory Tune Operation.............................. 69Moving Memory Data to the VFO register ... 70Labeling Memories ...................................... 70Displaying the Memory Tag ......................... 70Scan Skip Setting ........................................ 70Memory Groups ............................................... 71Choosing the Desired Memory Group ............. 71VFO and Memory Scanning .........................72VFO/Memory Scan .......................................... 72Programmable Memory Scan (PMS) .............. 73Other Functions ............................................74Band Stack Operation ..................................... 74TOT (Time Out Timer) ..................................... 74[MULTI] knob Step Increment Setting.............. 74Operation on Alaska Emergency Frequency:5167.5 kHz (U.S. Version Only) ...................... 75Screen capture ................................................ 75Using the SD Card .......................................... 76SD Cards that can be used ......................... 76Installing the SD card .................................. 76Removing the SD card ................................ 76Formatting a SD card .................................. 76Saving Memory data and SettingMenu data ................................................... 77Reading Memory and Set Menu data.......... 78Display the SD Card Information ................. 78Setting Menu ................................................79Using the Menu ............................................... 79Resetting the Microprocessor .....................107Optional Accessories ..................................108FC-40 External Automatic Antenna Tuner(for Wire Antenna) ......................................... 108Interconnections to FTDX101D ................. 108Setup the FTDX101D ................................ 109Optional FH-2 Control ................................... 110Specifications ............................................. 111General ...........................................................111Transmitter .....................................................111Receiver ........................................................ 112Index ........................................................... 113YAESU LIMITED WARRANTY ................... 116