B.2 BASE MODE........................................................................................................................................................ 93
B.3 VLF OPTION........................................................................................................................................................ 94
B.4 WALKING MAG OPTION.................................................................................................................................. 95
B.5 GRADIOMETER OPTION .................................................................................................................................. 96
APPENDIX C: VLF SURVEY OPTION..................................................................................................................... 97
C1. ACCESSING THE VLF FUNCTIONALITY....................................................................................................... 97
C2. SELECTING VLF STATIONS............................................................................................................................. 98
C3. STARTING A READING .................................................................................................................................. 101
C4. SIGN CONVENTIONS FOR IN-PHASE (IP) AND OUT-OF-PHASE (OP) .................................................... 103
APPENDIX D: GPS (GLOBAL POSITIONING SYSTEM) OPTION .................................................................. 104
D.1 SETTING UP THE GPS ..................................................................................................................................... 104
D2. SYNCHRONIZING GPS TIME......................................................................................................................... 106
D3. DISPLAYING CURRENT GPS INFORMATION ............................................................................................ 107
D4. SETTING UP NAVIGATION OPTIONS.......................................................................................................... 108
D.4.1 Automatic Grid Setup (Line-to-Line Navigation)............................................................................... 108
D.4.2 Programmable Waypoints (Point-to-Point Navigation)..................................................................... 112
D.4.3 RS-232 Waypoint Transfer (Point-to-Point Navigation).................................................................... 115
D.5 SURVEYING WITH GPS NAVIGATION........................................................................................................ 117
D.6 DGPS POST PROCESSING .............................................................................................................................. 121
D.7
CDGPS/OMNISTAR GPS OPTION.................................................................................................................. 124
APPENDIX E: GSM-19 V7 DIDD MAGNETOMETER......................................................................................... 137
APPENDIX F: GSM-19T PROTON PRECESSION SYSTEM............................................................................... 138
F.1 MAGNETIC FIELD MEASUREMENT PROCESS........................................................................................... 138
APPENDIX H: GSM-19 MAG / GRAD SPECIFICATIONS.................................................................................. 139
APPENDIX I: PROGRAMMABLE BASE OPTION............................................................................................... 140
I.1 SETTING UP THE PROGRAMMABLE BASE STATION OPTION ................................................................ 140
I.2 USING THE IMMEDIATE SCHEDULING FEATURE..................................................................................... 142
I.3 USING THE DAILY SCHEDULING FEATURE............................................................................................... 142
I.4 USING THE FLEXIBLE SCHEDULING FEATURE......................................................................................... 144
I.5 TRANSFERRING SCHEDULES FROM YOUR PC TO YOUR GSM-19 ......................................................... 147
APPENDIX J: VERSION 7.0 ADDITIONS.............................................................................................................. 148
J1. DATA VALUES ...................................................................................................................................................... 148
J2. PROGRAMMABLE OUTPUT..................................................................................................................................... 148