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Table of contents
1. ADVANCED CONNECTIONS ............................... 1
137 kHz band operation ...................................... 1
Connecting the RC-28 ........................................ 2
Using the RC-28 ............................................... 2
FSK, AFSK, PSK connections ............................ 3
Connecting the AH-740 ....................................... 4
2. ADVANCED OPERATIONS .................................. 5
Band Edge Beep ................................................. 5
Entering Band Beep Edges .............................. 5
Adjusting the Drive Gain level ............................. 9
IP Plus function ................................................... 9
Tracking function .............................................. 10
VOX function ......................................................11
Adjusting the VOX function ..............................11
Turning ON the VOX function ..........................11
TX function ..................................................... 12
∂
TX monitor function ...................................... 12
Operating CW (ADVANCED) ............................ 13
About the CW Reverse mode ......................... 13
Using the Memory Keyer function (KEYER) ... 13
Keyer memory edit menu (EDIT) ................... 14
Contest number menu (001 SET) ................... 15
Keyer set menu (CW-KEY SET) ..................... 16
Operating RTTY (FSK) ..................................... 17
Displaying the RTTY DECODE screen ........... 18
RTTY decoding ............................................... 18
Twin Peak Filter (TPF) .................................... 18
Transmitting an RTTY memory content .......... 19
Setting the RTTY Automatic TX/RX ................ 20
Editing an RTTY memory ................................ 21
Turning ON the RTTY log .............................. 22
Viewing the RTTY log contents ....................... 23
RTTY Decode Log set .................................... 23
Operating PSK .................................................. 25
Displaying the PSK DECODE screen
PSK decoding ................................................. 26
AFC/NET function ........................................... 26
Transmitting a PSK memory content
Setting the PSK Automatic TX/RX .................. 28
Editing a PSK memory .................................... 29
Turning ON the PSK log ................................ 30
Viewing the PSK log contents ......................... 31
PSK Decode Log set ...................................... 31
FM repeater operation ...................................... 33
Setting the repeater tone frequency
Checking the repeater input signal ................. 34
Tone squelch operation ..................................... 35
Data mode (AFSK) operation ........................... 36
Transverter operation ....................................... 36
Transverter setting example ........................... 36
About the 5 MHz frequency band operation ..... 37
3. ADVANCED SCOPE OPERATION ..................... 36
Spectrum Scope screen ....................................... 36
Center mode ...................................................... 36
Fixed mode ........................................................ 36
Directly tuning to a signal .................................. 37
Dual Scope screen ............................................ 37
Sweep speed ..................................................... 38
Adjusting the Reference level ............................ 38
SCOPE SET screen.............................................. 39
4. VOICE RECORDER FUNCTIONS ...................... 42
Recording a QSO audio .................................... 42
Using the [REC] key ....................................... 42
Using the [QUICK] key .................................... 42
Using the MENU screen ................................. 42
Playing back a QSO audio ................................ 43
Playing back a recorded audio on a PC ........... 44
Checking the folder information
......................................... 45
..................................................... 46
Deleting folders ................................................. 46
RECORDER SET screen ................................. 47
PLAYER SET screen ........................................ 48
INSTANT REPLAY SET screen ........................ 49
Instant Replay function ..................................... 49
Recording the Instant Replay ......................... 49
Playing back the Instant Replay ..................... 49
5. VOICE TX MEMORY OPERATION..................... 50
Recording a Voice TX memory ......................... 50
Recording ....................................................... 50
Playing back ................................................... 50
Entering a Voice TX memory name .................. 51
Transmitting a Voice memory content
Transmitting .................................................... 52
Repeatedly transmitting .................................. 53
Adjusting the output level ................................ 53
VOICE TX SET screen ..................................... 54
6. SD CARD/USB FLASH DRIVE (ADVANCED) ... 50
Loading the saved data iles onto
............................................ 57
Displaying the SD card or USB lash drive
information ......................................................... 58
About the SD card and USB lash drive’s folders
The SD card folder .......................................... 59