Furuno TZTBB Installation Manual page 32

3. SETTING UP THE EQUIPMENT
How to align the antenna heading
You have mounted the antenna unit facing straight ahead in the direction of the
bow. Therefore, a small but conspicuous target dead ahead visually should ap-
pear on the heading line (zero degrees).
In practice, you will probably observe some small bearing error on the display be-
cause of the difficulty in achieving accurate initial positioning of the antenna unit.
The following adjustment will compensate for the error.
1) Select a range between 0.125 and 0.25 nm and set the mode to "head up".
You can select a range by a pinch action. The range and range ring interval
appear at the bottom left of the screen.
Zoom in
Or tap the radar scale box at the bottom left-hand corner of the screen to dis-
play the slider bar. Drag the circle icon to set the range scale.
Tap the area circled in the dashed line to
display the slider bar.
Note: You can switch between transmit and
stand-by by tapping the right side of the
radar scale box.
2) Turn the vessel's bow toward a target.
3) Tap the Home icon, then select [Menu] icon, [Radar], and [Antenna Heading
Align] in that order to show the numeric software keyboard.
4) Key in the offset value so that the target is at the very top of the screen (setting
range: +/- 0° to 180°, +: clockwise direction, -: counterclockwise direction),
then tap [Save].
5) Confirm that the target echo is displayed at correct bearing on the screen.
3-10
Zoom out
Pinch action
Range Range ring interval
1
Range indications
Zoom in
Current
4NM
range
Zoom out
Slider bar
Drag the circle
icon to set the
range scale.