5
COPYRIGHTS FOR THIS MANUAL ............................................................................................ 2
SOFTWARE COPYRIGHTS ......................................................................................................... 2
COPYRIGHTS FOR RECORDED AUDIO .................................................................................... 2
TRADEMARKS ............................................................................................................................. 3
INDEMNITY ................................................................................................................................... 3
TREATMENT OF YOUR IMPORTANT DATA .............................................................................. 4
URL AND CONTACTS OF JVCKENWOOD CORPORATION. ................................................... 4
1 GETTING STARTED ............................................................................................................. 7
1.1 FOR PUBLICATION OF THIS DOCUMENT ..................................................................................... 7
2 ENJOYING APRS (BY BOB BRUNINGA, WB4APR) ....................................................... 8
2.1 APRS OVERVIEW ................................................................................................................... 8
2.2 PACKET RADIO HISTORY ......................................................................................................... 8
2.3 PACKET NETWORK GROWTH ................................................................................................... 9
2.4 APRS IN 1990S ................................................................................................................... 10
2.5 APRS-IS RES THE INFORMATION WORLDWIDE........................................................................ 10
2.6 APRS HANDHELD AND MOBILE RADIOS ................................................................................. 11
2.7 TEXTING .............................................................................................................................. 12
2.8 FACEBOOK ON APRS ........................................................................................................... 13
2.9 APRS VOICE ALERT ............................................................................................................. 13
2.10 FREQUENCY DATA FIELD AND AUTO-TUNE (OR QSY) ........................................................ 14
2.11 VOICE REPEATERS AND CLUB INFO...................................................................................... 15
2.12 HAMFEST TALK-IN AND OBJECTS ......................................................................................... 16
2.13 VOICE OVER INTERNET PROTOCOL (VO-IP) AND D-STAR ..................................................... 17
2.14 DIGIPEATER PATH INFORMATION .......................................................................................... 18
2.15 OTHER APRS INFORMATION RESOURCES ........................................................................... 18
2.16 CONTRIBUTION BY KENWOOD TO APRS ........................................................................... 19
2.17 LIST OF ICONS THAT CAN BE SET / DISPLAYED ON THE TH-D74A/E ........................................ 21
3 APRS ................................................................................................................................... 22
3.1 APRS FEATURE ON THE TH-D74A/E .................................................................................... 22
3.2 WHAT IS A KISS MODEM? ..................................................................................................... 24
3.3 KISS MODE ......................................................................................................................... 26
4 ENJOYING D-STAR (BY DON ARNOLD, W6GPS) ........................................................... 28
4.1 ENCOUNTER WITH D-STAR .................................................................................................. 28
4.2 ENJOY WITH D-STAR ........................................................................................................... 29
4.3 D-STAR REFLECTOR OPERATION ......................................................................................... 30
4.4 ABOUT THE TH-D74A/E ....................................................................................................... 32
5 D-STAR ................................................................................................................................ 33
5.1 BASIC OPERATION ................................................................................................................ 33
5.2 COMMUNICATION USING D-STAR ......................................................................................... 33
5.3 COMMUNICATING USING A REPEATER .................................................................................... 35
5.4 CONFIGURATION FOR REFLECTOR NODE ............................................................................... 38
5.5 HOW TO UPDATE THE REPEATER LIST .................................................................................... 41
6 SETTINGS & CONTROLS .................................................................................................. 45
6.1 EXTENDING THE BATTERY LIFE .............................................................................................. 45
6.2 SILENT APRS AND PACKET COMMUNICATIONS (VOICE ALERT) ............................................... 46
6.3 SCREEN CAPTURE OF RADIO DISPLAY ................................................................................... 46
6.4 VIEWING MICROSD CARD ON PC .......................................................................................... 47
6.5 ADJUSTMENT OF RX AUDIO QUALITY ..................................................................................... 47
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