GTD-110/150
Chapter 6
Using the menu
0093151542-06
6-21
6.6.11 COMPASS CORRECTION
This procedure allows you to modify the bearing shown on the
screen, which is obtained from the GPS receiver, to the magnetic
compass bearing.
Selection: AUTO / MANUAL, -90.0
o
- +90.0
o
Initial setting: AUTO 0.0
o
Use the following procedure for correction.
(1) Press the MENU key to display the menu.
(2) Press the Joystick up or down to highlight SYSTEM
SETTINGS.
(3) Press the Joystick to the right to enter the SYSTEM
SETTING (1/2) menu.
(4) Press the Joystick downward to scroll the menu to page 2/2.
(5) Highlight COMPASS CORRECTION using the Joystick.
(6) Press the Joystick to the left or the right and select AUTO or MANUAL.
When selecting a MANUAL, the amount of compensation shall be set in a range of –90.0
°
to +90.0
°
.
The amount of compensation can be set in a unit of 0.1 each by pressing the Joystick. (To the right : 0.1
each increase, to the left : 0.1 each decrease)
6.6.12 NAVIGATION MODE
You can select a navigation mode from the following modes.
GREAT CIRCLE:
The intersection of the spherical surface and a plane containing the two points A and
B and the center of the sphere.
RHUMB LINE:
A straight line on a Mercator projection.
Initial setting: GREAT CIRCLE
(1) Press the MENU key to display the menu.
(2) Press the Joystick up or down to highlight SYSTEM
SETTINGS.
(3) Press the Joystick to the right to enter the SYSTEM
SETTING (1/2) menu.
(4) Press the Joystick downward to scroll the menu to
page 2/2. (Figure 6.14)
(5) Highlight NAVIGATION using the Joystick.
(6) Press the Joystick to the right to select a navigation
mode.
(7) To return to normal display, press the MENU key
twice.
Figure 6.21 SYSTEM
SETTING (2/2) menu
