Furuno CH-250 - Manual (Page 76)

4-8
TVG LEVEL
4.0
4.0
TVG DISTANCE
GAIN ADJUST 0
RES. COLOR LOG
CLUTTER 0
: SELECT : CHANGE MENU: END
MENU COM1 HORZ VERT ES PRESET SYS COM2
A-SCOPE OFF
Figure 4-7 ES menu
3. Press or to select TVG DISTANCE and press . The following dialog box appears.
4.0
200m
TVG DISTANCE
Hi
Lo
GAIN
4. Press or to adjust TVG distance.
TVG
Distance
Setting
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 . . . . 10.0
Meters 3 8 20 40 60 100 130 160 200 250 320 . . . . 1000
Feet 10 30 70 130 210 330 410 520 660 820 1040 3280
Passi/braza 2 5 10 20 40 60 80 100 120 150 180 600
Hiro 2 5 10 20 40 60 80 100 130 170 210 . . . . 660
5. Press or to close the dialog box and return the ES menu.
6. To suppress reflections by the sea surface or plankton, select TVG LEVEL and press .
7. Press or to adjust TVG LEVEL.
8. Press the [MENU] key to register your selection and close the menu.