
- ii -
PROGRAMMING THE DATA LOGGER ______________________________________________ 21
PASSWORD PROTECTION................................................................................................................ 21
PROGRAMMING.................................................................................................................................. 21
SYNTAX ........................................................................................................................................ 22
A SIMPLE EXAMPLE.................................................................................................................... 22
COMMENTS ................................................................................................................................. 23
DEFINING TIMERS ...................................................................................................................... 23
DEFINING AND USING VARIABLES........................................................................................... 24
MATHEMATICAL OPERATIONS ................................................................................................. 24
INITIALIZING VARIABLES ........................................................................................................... 26
DEFINING SDI SENSORS ........................................................................................................... 26
STORING DATA ........................................................................................................................... 27
BUILT-IN SENSOR DEFINITIONS ............................................................................................... 28
TESTING VALUES ....................................................................................................................... 29
TRANSMITTING SATELLITE DATA ............................................................................................ 30
CURRENT CONDITIONS ............................................................................................................. 30
ADVANCED TOPICS.................................................................................................................... 31
OPERATION ___________________________________________________________________ 35
USING THE DISPLAY.......................................................................................................................... 35
EXTRACTING STORED DATA............................................................................................................ 35
TROUBLESHOOTING ......................................................................................................................... 36
AUDIT LOG ................................................................................................................................... 36
SENSORS..................................................................................................................................... 36
CHANGING AN EXISTING SETUP.............................................................................................. 36
APPENDIX A - SPECIFICATIONS __________________________________________________ 37
ENVIRONMENTAL............................................................................................................................... 37
PHYSICAL............................................................................................................................................ 37
SOLAR PANEL..................................................................................................................................... 37
BATTERY ............................................................................................................................................. 37
DEDICATED SENSORS ...................................................................................................................... 38
SDI-12 ........................................................................................................................................... 38
RAIN.............................................................................................................................................. 38
DATA STORAGE ................................................................................................................................. 38
TELEMETRY ........................................................................................................................................ 38
HDL1-G5 NESDIS APPROVAL ........................................................................................................... 38
CONNECTORS .................................................................................................................................... 39
SOLAR PANEL ............................................................................................................................. 40
BATTERY...................................................................................................................................... 40
SDI ................................................................................................................................................ 41
RAIN.............................................................................................................................................. 42
COMPUTER.................................................................................................................................. 43
HDL1-G5 GPS ANTENNA CONECTOR ...................................................................................... 43
HDL1-G5 GOES ANTENNA CONNECTOR................................................................................. 43
HDL1 EXTERNAL TELEMETRY .................................................................................................. 44
Summary of Contents for HDL1
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