108
GSM19 Series Magnetometers - Version 7
GEM Systems, Inc. Advanced Magnetometers
For more technical information, visit www.gemsys.ca
D4. SETTING UP NAVIGATION OPTIONS
Select B-setup to access the GPS aided navigation menu.
SCREEN D7
Lane guidance & grid setup
no
F-ok C-change
Press
C-change
to enable or disable this option. This option enables you to enter up to 1000
waypoints in one of 3 ways (automatically, from keyboard, or from computer and uploading).
SCREEN D8
A-automatic-grid-setup
B-programmable-waypoints
C-RS-232-waypoints-transfer
The characteristics of these navigation modes are explained in the sections that follow.
D.4.1 Automatic Grid Setup (Line-to-Line Navigation)
With the A-automatic-grid-setup option, you can
generate a rectangular grid with parallel lines
separated by a specified increment
(for example, 100m). You must define the START and END
points (in UTM only) for the first line and the line increment.
If you enter a positive value for the increment, the lines are added in a counter-clockwise direction.
In the diagram that follows, a negative value has been used to increment lines below the initial line.
The system generates a grid with 500 lines (i.e. 1000 waypoints).
With waypoints, you can
:
a)
use as many of the waypoints as required
b)
skip waypoints, for example, where obstacles are in the way
c)
stop the survey and re-start at another waypoint.