64
Sonar Page menu (left) with Depth Range command selected. The
Depth Range control scale is shown at right.
2. The Depth Range control scale appears. Press
↑
or
↓
to select a dif-
ferent depth range. A blue bar highlights the selected range. The
lighter numbers cannot be selected.
3. When the new range is selected, press
EXIT
to clear the menu.
Depth Range - Manual
You have complete control over the range when the unit is in the man-
ual mode. There are 16 depth ranges, from 5 feet to 4,000 feet.
To switch to Manual Depth Range:
1. First, turn off automatic depth range. From the Sonar Page, press
MENU
|
↓
to
A
UTO
D
EPTH
R
ANGE
|
ENT
.
2. Press
↑
to
D
EPTH
R
ANGE
|
ENT
and the Depth Range control scale appears.
3. Press
↓
or
↑
to select a different depth range. A horizontal black bar
highlights the selected range.
4. When the new range is selected, press
EXIT
to clear the menu.
To turn Auto Depth Range on again:
From the Sonar Page, press
MENU
|
↓
to
A
UTO
D
EPTH
R
ANGE
|
ENT
|
EXIT
.
Summary of Contents for FISHMARK 640C
Page 6: ...iv Notes ...
Page 42: ...36 Notes ...
Page 48: ...42 Sonar page in Split Zoom Sonar Chart display mode Sonar page in Digital Data display mode ...
Page 58: ...52 Notes ...
Page 98: ...92 Notes ...
Page 104: ...98 Notes ...
