Blaze AHRS-2 / AHRS-4 / MAG-2 Operating Manual
Page 6
3.3.2 Heading bug and the course steering indication
To activate the heading bug, press the F1 key when the compass display is showing.
Press the F1 key again to use the current heading as the heading bug or use the rotary
control to manually enter a heading. Press the F2 key if you want to switch the heading
bug off.
The heading bug set to 176 degrees. Currently the heading equals the course to steer as
shown below the heading tape. No course steering indicators are shown.
The current heading is 169 degrees; course steering indicators show the need to steer
slightly to the right to intercept the course.
The current heading is 218 degrees; course steering indicators show that a large
correction to the left is required to intercept the course.
Each “>” or “<” equals 2 degrees of heading error. To cancel the course steering function, simply press the F1 key again.
3.3.3 The reverse course (from heading) display
Press the F2 key to activate the reverse course display. This display remains active for
about 5 seconds before reverting back to the normal heading display.