This is the latest firmware version as of Nov 23, 2009. 1) Download and Install the latest GT31 USB Driver (Prolific_GPS_AllinOne_1013.exe). Restart your computer. 2) Download and Install latest GT31 Firmware Updater Utility. 3) Download the latest Firmware. The latest version is V1.3B1123T. See the release notes (below) for this version. GPSSS recommends any version higher than V1.2B1405X. LOCOSYS recommends V1.3B1015_DVT3 4) Use the Firmware Utility to connect your GPS to the GT-31 via USB cable. On the GT-31. Select "Settings". Scroll down to "Software Version". Push joystick in, and Select "Update". Then install the new firmware. Please contact Craig Bergh at cbergh@iw.net if there are any questions. Thank you Craig Bergh --- GT31 Firmware Change Notes--- === V1.0(B0331) =========================================================== - Bluetooth Chinese font rebuilt - Left/right key for [SETTINGS]/[SPEED AVG TIME]control patched - Support Language/speed genie restriction - The following cards have been tested to work with GT-31/BGT-31: SanDisk-2GB Transcend-2GB Transcent/80X-1GB SanDisk-128MB Apacer/60X-2GB Kingston-2GB PQI-2GB PNY-2GB === V1.1(B0428) ============================================================ - Patched Power Hold Pin control due to hardware design restriction - Patched LCM backlight :turn off backlight after system off ============================================================================= === V1.1(B0521/C0521)======================================================== - Add DD.DDDDD/DD.MM.SS.S format in [SAT SIGNAL]/PVT page - Support HW_VER report - Support Domestic version ============================================================================= === V1.2(B0804T)============================================================ - Support GPS performance tunning based on Speed Genie settings - Slow down LCM access - Idle Loop Patched - Speed Genie : add history max speed report, Buzzer/RLED Alert - Remember selected screen - Patch map datum bug ============================================================================= === V1.2(C0818T)============================================================= - Fixed Chinese-S language selection reset bug found in V1.1Cxxxx ------------------------------------------------------------------------------ === V1.2(B0820T)============================================================= - Add Japanese Language suppport ------------------------------------------------------------------------------ === V1.2(B0829T)============================================================= - Remove EST97 - Disable CPU clock adjust ------------------------------------------------------------------------------ === V1.2(B0901T)============================================================= - Enabled High Priority task protection ------------------------------------------------------------------------------ === V1.2(B0902T)============================================================= - Change power on page from main page to GPS signal page Auto switch to Speed Genie page if position fix available and speed genie enabled ------------------------------------------------------------------------------ === V1.2(J0902T)============================================================= - Patched Japanese font - Default SD log format changed to SBN ------------------------------------------------------------------------------ === V1.2(B0909T)============================================================= - Patched track View bug in large map scale(Thanks Bob) - Patched flash memory locked issue (Thanks Nicolas) ----------------------------------------------------------------------------- === V1.2(B0911T)============================================================= - Patched Speed Genie lost speed issue(Thanks Nicolas) - Revised Speed genie rolling screens timing (2 sec) ----------------------------------------------------------------------------- === V1.2(B0916T)============================================================= - Enabled power-on auto screen switch only if speed genie enabled ----------------------------------------------------------------------------- === V1.2(C0917T)============================================================= - fix SBPH download command disabled bug ----------------------------------------------------------------------------- === V1.2(B0922T)============================================================= - fix Key Lock/SPEED Genie bug (Thanks Nicolas) ----------------------------------------------------------------------------- === V1.2(B1003T)============================================================= - Patch Odometer in discontinuous fix trip - SG Rolling screen configuration added (MISC) ----------------------------------------------------------------------------- === V1.2(B1007T)============================================================= - Add [SAVE TO CARD] to Trip meter, - File naming in SD/MMC cards USERNAME+SNO+TIME STAMP+_WPT.BIN :"SAVE TO CARD" for waypoint data USERNAME+SNO+TIME STAMP+_TRK.BIN :"SAVE TO CARD" for track data USERNAME+SNO+TIME STAMP+_DLG.SBP :"SAVE TO CARD" for [DATA LOGGER] USERNAME+SNO+TIME STAMP+_SG_TRP.SPD :"SAVE TO CARD" for speed/trip meter USERNAME+SNO+TIME STAMP+.TXT :[MEMORY CARD] with "NMEA" data item USERNAME+SNO+TIME STAMP+.SBN :[MEMORY CARD] with "SBN" data item ----------------------------------------------------------------------------- === V1.2(B1106T)============================================================= - Patched speed display bug when speed over 256KMH in [TRIP METER] page - Added Delete/Save to card macro commands in [MISC] (for evaluation purpose only!!!) ----------------------------------------------------------------------------- === V1.2(B1114T)============================================================= - Reorganized mapdatum table - Supported time tag for SBP data access - Added [TRIP MIN SPEED]in [MISC] - Added down counter in [TRIP METER] - "5m" added for [SETTINGS]/[ARRIVED] and [TRACK]/[INTERVAL]/[DISTANCE] - Added ALT-SPEED display in [TRIP METER] page - Added navigation route display in [TRACK] page - Extended User Grid input range ------------------------------------------------------------------------- === V1.2(B1127T)============================================================= - Corrected Japaneses string table(Thanks Yumiko) ----------------------------------------------------------------------------- === V1.2(B1212T)============================================================= - Added Speed Genie sound at [ALERT]/[SPEED GENIE] - Enabled [MISC]/GPS option : 1.2M1212T only - Supported OSGB/MGRS/UTM/ display in [SAT SIGNAL] -for evaluation only! - Added buzzer alert for 3 minutes/1 minute/30 seconds for [TRIP METER]/[Down Counter] ---------------------------------------------------------------------------------------- === V1.2(B1218T)============================================================= - Added Speed Genie sound at [ALERT]/[SPEED GENIE] - Supported Speed Genie bio-feedback sound indicators: acceleration, avg speed and speed result (Tom Chalko) A. When Speed Genie speed threshold is exceeded: 1: Short Buzzer Sound when MAX N-second AVERAGE grows 2: Long Buzzer Sound when speed grows (acceleration indicator for high speeds) 3: combined Long Buz/Short buz sound, when 1 and 2 are true B. During Speed Genie result display 1: Festive sound pattern if the Personal Best average speed was achieved. 2: 3 digits of the N-second max average speed result encoded in the sound as follows (code similar to Roman numerals, except for 4 and 8) 1 = . 2 = .. 3 = ... 4 = .... 5 = _ 6 = _. 7 = _.. 8 = .._ 9 = ._ 0 = __ where . = ~100ms short sound _ = ~300ms long sound __= ~600msec for zero (not truncated) silence separator between digits: ~300msec silence The numeric speed result is repeated 3 times and then every 2 minutes when Speed Genie results are displayed on the screen ============================================================================== ==V1.2B1316t=========== - BH: Altitide accumuation function added in [TEIP METER] page ======================= ==V1.2B1420a=========== - E.S.: Trip Compass display added in [TRIP METER] page ======================= ==V1.2B1405x ====================== - SDOP appened to SBN/SBP records ==================================== == V1.2B1502a ======== - E.S: Trip commands added for Trip Compass Screen - B.P.: Trip odometer calculation changed to track point based =========================== ==V1.2B1531T ======================= - Trip Compass added in [TRIP function] - Track North up/Min Speed supported ===================================== ==V1.2B1629T ======================= - Speed genie sound/off patched (Nico) - [MISC][DELTE][TRIP METER] will also reset stop watch (Nico) - [MISC][[DELTE][DEL ALL] will also reset stop watch (Nico) [TRIP METER][TRIP TIME] can be used as the time of the session with speed over [TRIP MIN SPEED] [TRIP METER]][STOP WATCH] can be used as the time of the session - Added [MISC][TRIP AUTO SAVE] to save trip meter data (TRP.SPD) to SD cards (Nico) - Added "STOP WATCH","TRIP MIN SPEED"(threshold) into .SPD file (Nico) - Added [NEW TRIP] inquiry at power on if [MISC][TRIP AUTO SAVE] enabled (Michael) CAUTION: both trip and speed session/history data will be cleared !!!! - [SETTINGS][INTRFACE] now supports NMEA/4800BPS (GPSPassion) ===================================== ==V1.2B1708T ======================= - 5 sec time out added for new trip inquery(Nico) - [TRIP METER]/[STOP WATCH] revised (Paul) - added 1/10 sec display - displayed average speed - removed [PAUSE/ZERO] menu to improve pause operation response time - Stop watch is reset at power-on =================================================================== ==V1.2B1826T ======================= - Add GEOTag date time display in [SATELLITE] - patched ESC/POWER-OFF off key lock issue - Stop watch : 1/10 average speed display removed ! =================================================================== ==V1.2B2118T ======================= - Added Instant-mark function to [SPEED]/[N AVG SPEED] - (Peter) =================================================================== ==V1.3B1012a ======================= - Added new "huge" font. Set [MISC]/[NEW FONT] on to enable the new font-(Dr.T.C.) - Patched "DATA LOGGER" issue, improved flash memory access reliability NOTE: The maximum size for "DATA LOGGER" function is changed to 16384. And the max log time is around 4.5 hours. (still under evaluation....) =================================================================== ==V1.3B1123T ======================= -Patched "Data Logger" erase issue ====================================