Selecting Normal Mode To Start "Pinging - Simrad SN90 Operator's Manual

Simrad SN90 Operator Manual
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
or 120°.
The menu controls which graphical elements that are shown. To fully
Cosmetics
understand how the beams behave in this view, use the
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 function controls the operating mode of the SN90. You can set it to
Operation
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
functions.
Power
Procedure
1 Open the
Operation
to Normal.
2 Set
Operation
The function controls the operating mode of the SN90. Normal mode
Operation
allows the SN90 to transmit ("ping") through the water, and to receive the echoes.
3 Set
Transmission Mode
The
Transmission Mode
water. If you choose Maximum, the SN90 will transmit (ping) continuously and as
often as possible. This gives you the maximum refresh rate.
34
function, you can change this opening angle to 80
menu.
to Maximum.
function enables or disables the SN90 transmissions into the
dialog
Beam Visualization
and
Transmission Mode TX
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