System Operation
3.3.1 BITE
Button
See paragraph 3.11 for a description of the BITE function.
3.3.2
Sonar Data Image
The current swath image will be shown in this area. Select the appropriate range
scale to keep the horizontal bottom image at, or above, the widest part of the
wedge.
155
155
155
A
B
C
Figure 13, Swath Position
Illustration A shows the proper range setting. Illustration B shows an acceptable
range setting for a swath that is starting to fade due to the effects of attenuation
and spreading loses. Illustration C shows an incorrect range setting - the still
useable ends of the swath are being cut off by the limits of the range setting.
3.3.3 Date/Time
Block
The current system date and time are displayed here. The date/time presentation
is intended for reference use by the operator and is not required for 8101 system
operation. Date/time is input from an external source via a serial link into the 81-
P processor. See Chapter 6 for a detailed description of the interface required for
this input.
3.3.4
Cursor Position Block
When the cursor is within the boundary of the wedge, the cursor's X, Z, and R
position is displayed in this block. X = Across Track, Z = Depth, and R = Range.
This notation is blanked when the cursor leaves the wedge.
3.3.5
Operation Menu Block
Located in the lower right corner, this block indicates current operator selections.
Each menu item is operator-configurable. To change the configuration of any
item:
•
Place the cursor over the item to be changed so that a box appears around
the title and value. Keep the cursor symbol within this box.
•
The selected item's value can be changed by clicking the left and right track-
ball buttons up or down as desired. Holding down the trackball's center button
while pressing the left or right button speeds the rate of change.
•
Click on MENU to cycle to the next menu.
•
The five available Operation Menus are:
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SeaBat 8101 Operator's Manual
3-4
Version 3.02
