Leica MX400 Operating Instructions Manual page 205

Operator's Manual
Table H-1. Software Releases To Version 3.1 (continued)
Version Release Date
2.2 March 24, 1997
2.3 May 2, 1997
3.0 August 8, 1997
192
Appendix H - Software Updates
Changes
Added filter control for the COG/SOG
Added a shortened output format (Brief
format) for the printer output
Added user input to allow Loran-C Station
Corrections
Enhanced log pulse output emulation
Added user GPS constellation selection of
either Best DOPs (best satellite geometry) or
Highest Elevation (satellites)
Added Dead Reckoning function (requires
external sensors for best accuracy)
Added NMEA Wind and Depth input func-
tions
Added Set and Drift (automatic or manual)
function
Added Smart Junction Box (analog gyro
interface - similar to MX 200) interface
function
Enabled enhanced Dual Control mode
Added Raw Data output (requires special
software license; similar to MX 300)
Added User Grid coordinate system (requires
special software license; similar to MX 300)
Added automatic retention of CFG, Port, and
Tide functions during unit reprogramming
(previously only waypoints and routes were
saved)
Added dynamic units for distance calculations
(i.e. Nautical miles and meters)
Added Tokyo JMSA and Swiss-Granit datums
Version 3.3