34
381295/B
the lower right corner of the view. The depth is calculated from the current tilt and
the distance from the vessel.
The SN90 transmits in a swath with maximum vertical opening angle 160°. By
means of the
Vertical Tx Sector
function, you can change this opening angle to 80
or 120°.
The
Cosmetics
menu controls which graphical elements that are shown. To fully
understand how the beams behave in this view, use the
Beam Visualization
dialog
box.
Related topics
Starting normal operation, page 26
Selecting
Normal
mode to start "pinging"
In order to transmit ("ping") you must set the SN90 to
Normal
operating mode. This is
the default mode when the SN90 is turned on.
Context
The
Operation
function controls the operating mode of the SN90. You can set it to
Normal
,
Replay
or
Inactive
.
Normal
mode allows the SN90 to transmit ("ping") through
the water, and to receive the echoes.
Caution
You must never start SN90 transmissions (pinging) when the ship is in dry dock. The
transducer may be damaged if it transmits in open air.
Once started, the SN90 transmissions are controlled by the
Transmission Mode
and
TX
Power
functions.
Procedure
1
Open the
Operation
menu.
2
Set
Operation
to
Normal
.
The
Operation
function controls the operating mode of the SN90.
Normal
mode
allows the SN90 to transmit ("ping") through the water, and to receive the echoes.
3
Set
Transmission Mode
to
Maximum
.
The
Transmission Mode
function enables or disables the SN90 transmissions into the
water. If you choose
Maximum
, the SN90 will transmit (ping) continuously and as
often as possible. This gives you the maximum refresh rate.
Simrad SN90 Operator Manual
Содержание SN90
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