Furuno CH-500 Operator's Manual page 56

2. HORIZONTAL MODE
5. Press
should be sufficient. A larger setting reduces the gain over distance.
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
6. Press
600), then press
7. Press
Ideally a setting between 3.0 and 5.0 (130 m to 320 m) is sufficient.
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
2-18
or to adjust the TVG level. Ideally, a setting between 2.0 and 5.0
TVG Level
Gain
Hi
Lo
200m
to select [TVG Distance] ([TVG Distance-LF]/[TVG Distance-HF] on CH-
to show the [TVG Distance] settings.
TVG Distance
Gain
Hi
Lo
200m
or to adjust the TVG level.
TVG Distance
Gain
Hi
Lo
4. 0
4. 0
6. 0
320m
TVG Level
indication
changes to
show the
new setting.
Indications for
distance setting
and actual distance
change to show the
new setting.