442704/A
489
The filters in the ST90 system are implemented in “series”. The noise filtering is done
early in the receiver process.
A
Bottom Filter
B
Noise Filter (1)
C
Gain & TVG (Time Variable Gain)
D
Noise Filter (2)
E
AGC (Automatic Gain Control)
F
RCG (Reverberation Controlled Gain)
G
Display Gain
H
Ping-Ping Filter
Note that
Gain
,
TVG
(Time Varied Gain) and
Display Gain
are not filters, but included
only to illustrate the complete "signal path".
Details
Off
Choose this setting to switch the filter off.
Weak
The system starts using one amplifier stage and increases the number as a function
of range.
Medium
The system starts using two amplifier stages and increases the number as a function
of range.
Strong
The system starts using three amplifier stages and increases the number as a function
of range.
Summary of Contents for Simrad ST90
Page 1: ...kongsberg com simrad Simrad ST90 REFERENCE MANUAL ...
Page 2: ......
Page 337: ...442704 A 335 Related topics Sonar views page 326 User interface ...
Page 413: ...442704 A 411 Related topics Menu system page 375 Display menu page 384 Menu system ...
Page 631: ...442704 A 629 Related topics Concept descriptions page 626 Concept descriptions ...
Page 687: ......
Page 688: ... 2021 Kongsberg Maritime ISBN 978 82 8066 211 8 ...
Page 689: ......
Page 690: ...Reference Manual Simrad ST90 ...