Furuno CH-500 Operator's Manual page 64

3. VERTICAL SCAN MODE
As the setting is adjusted, the current setting is shown in a dashed line and the
level indication changes to show the new setting.
Current setting
New setting
The preset distance, in order of [TVG Distance] setting, is as shown in the table
on the following page.
8. Press the MENU key to close the menu and apply the changes.
Unit of measurement
Passi/braza (pb)
Unit of measurement
Passi/braza (pb)
3-6
TVG Distance
Gain
Hi
Lo
0 0.5
Meters (m) 3 8
Feet (ft) 10 30
Fathoms (fm) 2 5
2 5
Hiro (HR)
2 5
5.5 6.0
Meters (m) 360 400
Feet (ft)
1160 1300 1470 1640 1840 2070 2320 2600 2920 3280
Fathoms (fm)
200 220
Hiro (HR) 230 260
210 240
6. 0
320m
TVG Distance setting
1.0 1.5 2.0 2.5 3.0
20 40 60 100 130
70 130 210 330 410
10 20 40 60
10 20 40 60
10 20 40 60
TVG Distance setting
6.5 7.0 7.5 8.0
450 500 560 630 710
250 280 300 340 390
300 330 370 420 470
270 300 340 380 430
Indications for
distance setting
and actual distance
change to show the
new setting.
3.5 4.0 4.5 5.0
160 200 250 320
520 660 820 1040
80 100 110 140 170
80 100 130 170 210
80 100 120 150 180
8.5 9.0 9.5 10.0
790 890 1000
430 490 550
520 590 660
480 540 600