Sweep Fade; How To Show, Hide Or Cancel An Active Route - Furuno TZT9 Operator's Manual

6. RADAR
To properly use the echo average function, first suppress the sea clutter.
1. Select [Radar Filters] from the
RotoKey menu.
2. Select [Average].
To deactivate the echo average, deselect
[Average] at step 2.
6.18

Sweep Fade

The sweep fade feature automatically reduces the brilliance of weak signals (noise,
sea clutter, rain clutter, etc.) and unnecessary echoes like radar interference to clear
the picture. Use the sweep fade when unnecessary echoes cannot be reduced by oth-
er methods.
1. Select [Menu] on the menu icon bar to open the main menu.
2. Select [Radar].
3. Select the [ON] icon to activate the sweep fade, the [OFF] icon to deactivate the
sweep fade in [Sweep Fade].
4. Select [Close] to exit the menu.
6.19

How to Show, Hide or Cancel an Active Route

You can show or hide the active route from the radar display. To show the active route,
select [Active Rte] from the RotoKey menu. To hide the active route, deselect [Active
Rte].
To cancel route navigation, select the go to point, boat icon or any of the lines (no. 1
to 4 in the figure below) which appear when [Active Rte] turns on, then select [Stop
Nav.] from the pop-up menu.
6-16
320
310
300
290
280
Your ship's position Your ship s position
270
2
260
250
4
240
230
220
210
200
190
180
a) Echo average OFF
40
50
60
70
3
80
1 1
90
100
110
Go to point Go to point
120
130
140
150
160
170
b) Echo average ON