System Operation
3.11.6 Sensor
Inputs
This block indicates the current input value from the
remote sensors interfaced to the system. If a
particular sensor is not installed, its value space will
be blank. See Chapter 6 for additional details on
port configuration.
Pitch:
The current pitch value in degrees measured by the mo-
tion sensor (if installed).
Roll:
The current roll value in degrees measured by the motion
sensor (if installed).
Heave:
The current heave value in meters measured by the mo-
tion sensor (if installed).
Velocity:
The current sound velocity in meters per second meas-
ured by the velocimeter or CTD sensor (if installed).
UTC Date:
The current UTC date from an external date/time source
(if installed).
UTC Time:
The current UTC time from an external date/time source
(if installed).
Motion Sensor inputs for Pitch, Roll, and Heave are required for pitch stabiliza-
tion and the use of dynamic depth gates.
The velocity of sound, at the face of the projector, is required for proper pitch
stabilization and correct scaling of the sonar wedge in the Main Display screen
(see Figure 11).
UTC date and time are required for accurate time stamping for bathymetry and
sidescan output data. In the absence of a UTC input, the included latency value
can be used in lieu of a time stamp.
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SeaBat 8101 Operator's Manual
3-20
Version 3.02
