Kongsberg Simrad ST90, Reference Manual

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Tx Inhibit Power
The high voltage supplied to the transceiver boards is monitored. You are not
permitted to change the alarm limits. If this voltage differs from the defined
tolerances, alarm message AKH11 will be initiated:
Transmission is
inhibited due to a high voltage in the power supply.
Tx Inhibit Operation Mode
This feature activates the system protection to make sure that the ST90 system
does not transmit ("ping") when you have chosen
Replay or Inactive mode.
Hull Unit
You must specify a maximum speed for the vessel. This speed can match the hull unit
specification, or you can choose a lower speed for increased safety.
Hull Unit Lowering depth (m) Maximum speed (knots)
ST92 1.2 21
ST93 1.6 16
ST94 2.1 11
Note
We strongly recommend that you do not specify a higher speed than the hull unit is
designed for.
If the speed limit is exceeded a message is issued by the ST90 system.
Screen Recording
The
Screen Recording
function allows you to record and save the echo presentation as
a video file. Each screen recording you make is saved in
.mp4
format on the Processor
Unit hard disk. The file name reflects the current date and time.
Video data files will normally become very large. If you wish to record large amounts
of data, make sure that you have enough space on your hard disk. Unless your
Simrad ST90 Reference Manual