WATSON INDUSTRIES DMS-SGP01 Owner's Manual page 21

Setting Altitude Correction:
Activate Command Mode (See above).
To set the velocity mode, type &.
This will bring up the menu:
TYPE IN THE NUMBER OF YOUR SELECTION (OR 'Q' TO QUIT):
1 = ADJUST TIME CONSTANTS
2 = SET OUTPUT CHANNELS
3 = LIST CURRENT OUTPUT CHANNEL SELECTION
4 = SELECT HEADING SOURCE
5 = SELECT VELOCITY SOURCE
6 = SELECT ALTITUDE CORRECTION
7 = SET NEW BAUD RATE
Typing in '6' will bring up this menu:
SELECTION ALTITUDE CORRECTION (OR 'Q' TO QUIT):
1 = GPS GEODETIC CORRECTION
2 = NO CORRECTION
To turn on Altitude Correction type '1'.
To shut off Altitude Correction type '2'.
To make this selection the default the next time you power the unit on type in " (a quote mark.)
Watson Industries, Inc. DMS-SGP01 Rev B 03/22/2018
21