WATSON INDUSTRIES DMS-EGP01 Owner's Manual page 20

Typing in '5' will bring up this menu:
SELECTION VELOCITY SOURCE (OR 'Q' TO QUIT):
1 = GPS GROUND TRACK VELOCITY
2 = ANALOG VELOCITY
To set to GPS Ground Velocity type '1'. This is the mode when using the GPS module.
To set to Analog Velocity type '2'. This is the normal DMS mode (non-GPS). Make sure that the proper analog
velocity signal is applied.
To make this selection the default the next time you power the unit on type in " (a quote mark.)
Watson Industries, Inc. DMS-EGP01 Rev A 02/12/2015
20