Symmetricom ET6000, User Manual

Page: 48 / 206

OPERATION
When this display is shown pressing the “1” key of the keyboard causes “SYNC” to
toggle between UTC and GPS.
C.
3> SET POSITION (ENTER POSITION SELECTED)
Pressing the “3” keyboard switch selects “3>SET POSITION” which allows the user to
enter an accurate position comprised of latitude and longitude in degrees, and minutes to
the nearest thousandth of a minute, the Hemisphere (North, South, East, or West) and the
altitude in meters referred to WGS-84. This causes the display to change to that shown
on the following page:
ENTER LATITUDE: XX XX:XXX
Using the numeric keys of the keyboard enter the latitude in degrees and minutes to the
thousandth of a minute and the display will change to that shown below:
ENTER 1 = NORTH, 2 = SOUTH
Using the numeric keys of the keyboard enter either a “1” for the Northern Hemisphere,
or a “2” for the Southern Hemisphere and the display will change to that shown below:
ENTER LONGITUDE: XXX.XX.XXX
Using the numeric keys of the keyboard, enter the longitude in degrees and minutes to the
thousandth of a minute, and the display will change to that shown below:
ENTER 1 = EAST, 2 = WEST
Using the numeric keys of the keyboard enter either a “1” for the Eastern Hemisphere or
a “2” for the Western Hemisphere and the display will change to that shown below:
ENTER ALTITUDE: XXXX METERS
Using the numeric keys of the keyboard, enter a four digit WGS-84 altitude in meters and
the display will change to that shown below:
ENTER 1 = POS, 2 = NEG
Using the numeric keys of the keyboard, enter either a “1” for a positive altitude, or a “2”
for a negative altitude, for above or below the GPS Reference Sphere (WGS-84).
Note: If a mistake has been made while entering this data, press the MENU keyboard
switch to exit, then return to this selection and reenter the data.
Symmetricom Inc ET6xxx ExacTime GPS TC & FG (Rev C) 3-13